@ WheelLab 2013.06.27 Python ֲࢸݢʢKuoE0ʣ [email protected] KuoE0.ch 

Latest update: Jun 30, 2013 Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) http://creativecommons.org/licenses/by-sa/3.0/ 

What is Python? 

What is Python? a programming language 

What is Python? easy to Read easy to Learn easy to Write a programming language 

Position May 2013 Position May 2012 Delta in Position Programming Language 1 1 = C 2 2 = Java 3 4 ↑ Objective-C 4 3 ↓ C++ 5 5 = C# 6 6 = PHP 7 7 = Visual Basic 8 8 = Python 9 9 = Perl 10 11 ↑ Ruby http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html Top Language in TIOBE 

Javascript Ruby Java Python Shell PHP C C++ Perl Objective-C 0% 5% 10% 15% 20% 25% 3% 4% 5% 6% 7% 8% 8% 8% 12% 21% Top Languages in Github https://github.com/languages 

Javascript Ruby Java Python Shell PHP C C++ Perl Objective-C 0% 5% 10% 15% 20% 25% 3% 4% 5% 6% 7% 8% 8% 8% 12% 21% Top Languages in Github https://github.com/languages 

What does the logo mean? 

ք Kingdom ಈ෺ք Animalia ໳ Phylum ੸ࡧಈ෺໳ Chordata ߝ Class ᗡᦚՊ Reptilia ໨ Order ༗ྡྷ໨ Squamata Պ Family ᦢՊ Pythonidae ሱ Genus ᦢሱ Python 

http://wallpapers.free-review.net/15__Tree_python.htm 

http://wallpapers.free-review.net/15__Tree_python.htm 

More About Python... 

More About Python... Interpreted Language Do not need to compile! 

Compiled Language compiler execute 

Interpreted Language execute But, interpret in execution time. And, it would be slow... 

More About Python... Object-Oriented Language Everything in Python is object! 

number function string list Object 

number function string list Object 

overloading polymorphism inheritance multiple inheritance 

More About Python... Imperative Programming Generic Programming Functional Programming 

Philosophy 

There should be one— and preferably only one —obvious way to do it. Philosophy 

There should be one— and preferably only one —obvious way to do it. Philosophy There should be one— and preferably only one —obvious way to do it. 

$ Zen of Python 

$ $ python -ic “” Zen of Python 

$ $ python -ic “” $ python -ic “” >>> Zen of Python 

$ $ python -ic “” $ python -ic “” >>> $ python -ic “” >>> import this Zen of Python 

$ $ python -ic “” $ python -ic “” >>> $ python -ic “” >>> import this $ python -ic “” >>> import this The Zen of Python, by Tim Peters Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to >>> import this The Zen of Python, by Tim Peters Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. The Zen of Python, by Tim Peters Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, it's a bad idea. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, it's a bad idea. If the implementation is easy to explain, temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, it's a bad idea. If the implementation is easy to explain, it may be a good idea. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, it's a bad idea. If the implementation is easy to explain, it may be a good idea. Namespaces are one honking great idea -- one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, it's a bad idea. If the implementation is easy to explain, it may be a good idea. Namespaces are one honking great idea -- let's do more of those! one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, it's a bad idea. If the implementation is easy to explain, it may be a good idea. Namespaces are one honking great idea -- let's do more of those! Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, it's a bad idea. If the implementation is easy to explain, it may be a good idea. Namespaces are one honking great idea -- let's do more of those! >>> Zen of Python 

Current Situation 

Current Situation Python 2.x Python 3.x 

Current Situation Python 2.x Python 3.x Coexist! 

Current Situation Python 2.x Python 3.x Coexist! 

Current Situation Python 2.x Python 3.x Coexist! backwards-incompatible 

Python 2.x Python 3.x 2.7.x is the latest version under development more 3-party library 2to3.py built-in on many OS more supported unicode the past in someday the future in someday 

http://www.ibm.com/developerworks/cn/linux/l-python3-1/ Python 3 త৽ಛੑ 

Python 2.x 

Python 2.x Today, Let’s Talk About 

Environment 

Environment For Unix-like OS User, Python 2.x is Built-in! 

Environment For Windows User, Download From http://www.python.org/download/ if you want to launch Python in command line, add the path of Python binary file into PATH variable. 

$ Check Version of Python 

$ Check Version of Python $ python --version 

$ Check Version of Python $ python --version $ python --version Python 2.7.5 

$ Check Version of Python $ python --version $ python --version Python 2.7.5 2.7.5 is released on May 15, 2013 

$ Check Version of Python 

$ $ python Check Version of Python 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> Check Version of Python 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> Check Version of Python 

$ Interactive Shell 

$ $ python Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> Interactive Shell prompt 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> Interactive Shell prompt means that your turn! 

$ Interactive Shell 

$ $ python Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... 0 1 2 3 4 >>> Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... 0 1 2 3 4 >>> >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... 0 1 2 3 4 >>> exit() Interactive Shell 

$ $ python $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> $ python Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> Python 2.7.5 (default, May 20 2013, 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> 23:41:46) [GCC 4.2.1 Compatible Apple LLVM 4.2 (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> (clang-425.0.28)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... Type "help", "copyright", "credits" or "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i "license" for more information. >>> 1 + 2 + 3 6 >>> “Hello World” ‘Hello World’ >>> x = 100 >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... 0 1 2 3 4 >>> >>> y = 200 >>> x + y 300 >>> for i in range(5): ... print i ... 0 1 2 3 4 >>> exit() >>> x + y 300 >>> for i in range(5): ... print i ... 0 1 2 3 4 >>> exit() $ Interactive Shell 

Hello World! 

Hello World! if __name__ == “__main__”: print “Hello World!” helloworld.py 

$ Hello World! 

$ Hello World! $ python helloworld.py 

$ Hello World! $ python helloworld.py $ python helloworld.py Hello World! $ 

A Python Code 

A Python Code def mul(x, y): ret = x * y return ret for i in range(10)[2:]: for j in range(10)[1:]: print "{0} x {1} = {2}".format(i, j, mul(i, j)) 9x9table.py 

script language def mul(x, y): ret = x * y return ret for i in range(10)[2:]: for j in range(10)[1:]: print "{0} x {1} = {2}".format(i, j, mul(i, j)) no specified entry point 

$ script language 

$ script language $ python 9x9table.py 

$ script language $ python 9x9table.py $ python 9x9table.py 2 x 1 = 2 2 x 2 = 4 2 x 3 = 6 2 x 4 = 8 2 x 5 = 10 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 2 x 1 = 2 2 x 2 = 4 2 x 3 = 6 2 x 4 = 8 2 x 5 = 10 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 2 x 2 = 4 2 x 3 = 6 2 x 4 = 8 2 x 5 = 10 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 2 x 3 = 6 2 x 4 = 8 2 x 5 = 10 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 2 x 4 = 8 2 x 5 = 10 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 2 x 5 = 10 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 2 x 8 = 16 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 2 x 9 = 18 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 3 x 8 = 24 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 3 x 9 = 27 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 4 x 1 = 4 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 4 x 2 = 8 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 4 x 3 = 12 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 4 x 4 = 16 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 4 x 5 = 20 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 4 x 6 = 24 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 4 x 7 = 28 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 4 x 8 = 32 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 4 x 9 = 36 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 5 x 1 = 5 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 5 x 2 = 10 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 5 x 3 = 15 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 5 x 4 = 20 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 5 x 5 = 25 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 5 x 6 = 30 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 5 x 7 = 35 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 5 x 8 = 40 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 5 x 9 = 45 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 6 x 1 = 6 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 6 x 2 = 12 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 6 x 3 = 18 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 6 x 4 = 24 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 6 x 5 = 30 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 6 x 6 = 36 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 6 x 7 = 42 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 6 x 8 = 48 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 6 x 9 = 54 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 7 x 1 = 7 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 7 x 2 = 14 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 7 x 3 = 21 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 7 x 4 = 28 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 7 x 5 = 35 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 7 x 6 = 42 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 7 x 7 = 49 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 7 x 8 = 56 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 7 x 9 = 63 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 8 x 1 = 8 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 8 x 2 = 16 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x 5 = 45 8 x 3 = 24 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x 5 = 45 9 x 6 = 54 8 x 4 = 32 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x 5 = 45 9 x 6 = 54 9 x 7 = 63 8 x 5 = 40 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x 5 = 45 9 x 6 = 54 9 x 7 = 63 9 x 8 = 72 8 x 6 = 48 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x 5 = 45 9 x 6 = 54 9 x 7 = 63 9 x 8 = 72 9 x 9 = 81 8 x 7 = 56 8 x 8 = 64 8 x 9 = 72 9 x 1 = 9 9 x 2 = 18 9 x 3 = 27 9 x 4 = 36 9 x 5 = 45 9 x 6 = 54 9 x 7 = 63 9 x 8 = 72 9 x 9 = 81 $ 

If you need a main function as entry point, if __name__ == “__main__”: print “Hello World!” 

If you need a main function as entry point, if __name__ == “__main__”: print “Hello World!” 

If you need a main function as entry point, if __name__ == “__main__”: print “Hello World!” and write all statements after it. 

def mul(x, y): ret = x * y return ret for i in range(10)[2:]: for j in range(10)[1:]: print "{0} x {1} = {2}".format(i, j, mul(i, j)) variable can be used without declaration 

def mul(x, y): ret = x * y return ret for i in range(10)[2:]: for j in range(10)[1:]: print "{0} x {1} = {2}".format(i, j, mul(i, j)) variable def mul(x, y): ret = x * y return ret for i in range(10)[2:]: for j in range(10)[1:]: print "{0} x {1} = {2}".format(i, j, mul(i, j)) can be used without declaration 

def mul(x, y): ret = x * y return ret for i in range(10)[2:]: for j in range(10)[1:]: print "{0} x {1} = {2}".format(i, j, mul(i, j)) scope use whitespace to identify scope 

def mul(x, y): ret = x * y return ret for i in range(10)[2:]: for j in range(10)[1:]: print "{0} x {1} = {2}".format(i, j, mul(i, j)) scope def mul(x, y): ret = x * y return ret for i in range(10)[2:]: for j in range(10)[1:]: print "{0} x {1} = {2}".format(i, j, mul(i, j)) use whitespace to identify scope 

You can use to identify scopes. 

You can use one space two spaces three spaces four spaces lots of spaces to identify scopes. 

You can use one space two spaces three spaces four spaces lots of spaces one tab two tabs three tabs four tabs lots of tabs to identify scopes. 

But, you should unify the style! 

Built-in Data Type 

Numbers int (integer) long (long integer) float (real number) complex (complex number) 10 10L 100.0 3 + 2j -789 -789L -21.9 3 - 2j -0x111 0xFFFFFFFFF 3.20E+10 45j 0x69 -0x12321L -2.00E-08 3e+26j 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> >>> int(10) 10 >>> int(“100”) 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> >>> int(10) 10 >>> int(“100”) >>> int(10) 10 >>> int(“100”) 100 >>> 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> >>> int(10) 10 >>> int(“100”) >>> int(10) 10 >>> int(“100”) 100 >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> >>> int(10) 10 >>> int(“100”) >>> int(10) 10 >>> int(“100”) 100 >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> >>> int(10) 10 >>> int(“100”) >>> int(10) 10 >>> int(“100”) 100 >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> >>> int(10) 10 >>> int(“100”) >>> int(10) 10 >>> int(“100”) 100 >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) (10+3j) >>> 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> >>> int(10) 10 >>> int(“100”) >>> int(10) 10 >>> int(“100”) 100 >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) (10+3j) >>> 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) (10+3j) >>> complex(“20+5j”) 

Initialization / Conversion data type initial int int(x) long long(x) float float(x) complex complex(x) complex(x, y) >>> >>> int(10) >>> int(10) 10 >>> >>> int(10) 10 >>> int(“100”) >>> int(10) 10 >>> int(“100”) 100 >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> >>> int(10) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) (10+3j) >>> 10 >>> int(“100”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) (10+3j) >>> complex(“20+5j”) 100 >>> complex(10) (10+0j) >>> complex(10, 3) (10+3j) >>> complex(“20+5j”) (20+5j) >>> 

Arithmetic Operators + addition - subtraction * multiplication / division % modular ** exponential // floor division >>> 

Arithmetic Operators + addition - subtraction * multiplication / division % modular ** exponential // floor division >>> >>> 2**10 

Arithmetic Operators + addition - subtraction * multiplication / division % modular ** exponential // floor division >>> >>> 2**10 >>> 2**10 1024 >>> 

Arithmetic Operators + addition - subtraction * multiplication / division % modular ** exponential // floor division >>> >>> 2**10 >>> 2**10 1024 >>> >>> 2**10 1024 >>> 5.8 // 2 

Arithmetic Operators + addition - subtraction * multiplication / division % modular ** exponential // floor division >>> >>> 2**10 >>> 2**10 1024 >>> >>> 2**10 1024 >>> 5.8 // 2 >>> 2**10 1024 >>> 5.8 // 2 2.0 >>> 

Bitwise Operators & and | or ^ exclusion or >> shift right << shift left ~ not >>> 

Bitwise Operators & and | or ^ exclusion or >> shift right << shift left ~ not >>> >>> 3 & 1 

Bitwise Operators & and | or ^ exclusion or >> shift right << shift left ~ not >>> >>> 3 & 1 >>> 3 & 1 1 >>> 

Bitwise Operators & and | or ^ exclusion or >> shift right << shift left ~ not >>> >>> 3 & 1 >>> 3 & 1 1 >>> >>> 3 & 1 1 >>> 1 << 10 

Bitwise Operators & and | or ^ exclusion or >> shift right << shift left ~ not >>> >>> 3 & 1 >>> 3 & 1 1 >>> >>> 3 & 1 1 >>> 1 << 10 >>> 3 & 1 1 >>> 1 << 10 1024 >>> 

Bitwise Operators & and | or ^ exclusion or >> shift right << shift left ~ not >>> >>> 3 & 1 >>> 3 & 1 1 >>> >>> 3 & 1 1 >>> 1 << 10 >>> 3 & 1 1 >>> 1 << 10 1024 >>> >>> 3 & 1 1 >>> 1 << 10 1024 >>> ~0 

Bitwise Operators & and | or ^ exclusion or >> shift right << shift left ~ not >>> >>> 3 & 1 >>> 3 & 1 1 >>> >>> 3 & 1 1 >>> 1 << 10 >>> 3 & 1 1 >>> 1 << 10 1024 >>> >>> 3 & 1 1 >>> 1 << 10 1024 >>> ~0 >>> 3 & 1 1 >>> 1 << 10 1024 >>> ~0 -1 >>> 

Comparison Operators > greater than >= greater than or equal to < less than <= less than or equal to == equal to != not equal to 

List Contents are surrounded by square brackets and separate by comma. >>> 

List Contents are surrounded by square brackets and separate by comma. >>> >>> [“aaa”, “bbb”, 1, 2] 

List Contents are surrounded by square brackets and separate by comma. >>> >>> [“aaa”, “bbb”, 1, 2] >>> [“aaa”, “bbb”, 1, 2] [‘aaa’, ‘bbb’, 1, 2] >>> 

Initialization / Conversion >>> 

Initialization / Conversion >>> >>> list([1, 2, 3]) 

Initialization / Conversion >>> >>> list([1, 2, 3]) >>> list([1, 2, 3]) [1, 2, 3] >>> 

Initialization / Conversion >>> >>> list([1, 2, 3]) >>> list([1, 2, 3]) [1, 2, 3] >>> >>> list([1, 2, 3]) [1, 2, 3] >>> list(“abc”) 

Initialization / Conversion >>> >>> list([1, 2, 3]) >>> list([1, 2, 3]) [1, 2, 3] >>> >>> list([1, 2, 3]) [1, 2, 3] >>> list(“abc”) >>> list([1, 2, 3]) [1, 2, 3] >>> list(“abc”) [‘a’, ‘b’, ‘c’] >>> 

Operators + append * repeat >>> 

Operators + append * repeat >>> >>> x = [1, 2, 3] 

Operators + append * repeat >>> >>> x = [1, 2, 3] >>> x = [1, 2, 3] >>> 

Operators + append * repeat >>> >>> x = [1, 2, 3] >>> x = [1, 2, 3] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] 

Operators + append * repeat >>> >>> x = [1, 2, 3] >>> x = [1, 2, 3] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> 

Operators + append * repeat >>> >>> x = [1, 2, 3] >>> x = [1, 2, 3] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 

Operators + append * repeat >>> >>> x = [1, 2, 3] >>> x = [1, 2, 3] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 [1, 2, 3, 1, 2, 3] >>> 

Operators + append * repeat >>> >>> x = [1, 2, 3] >>> x = [1, 2, 3] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 [1, 2, 3, 1, 2, 3] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 [1, 2, 3, 1, 2, 3] >>> x + y 

Operators + append * repeat >>> >>> x = [1, 2, 3] >>> x = [1, 2, 3] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 [1, 2, 3, 1, 2, 3] >>> >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 [1, 2, 3, 1, 2, 3] >>> x + y >>> x = [1, 2, 3] >>> y = [‘a’, ‘b’] >>> x * 2 [1, 2, 3, 1, 2, 3] >>> x + y [1, 2, 3, ‘a’, ‘b’] >>> 

>>> Access Element 

>>> >>> x = [1, 2, 3, 4, 5] Access Element 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> Access Element 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] Access Element 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> Access Element 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ Access Element 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> Access Element 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> x Access Element 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> x >>> x = [1, 2, 3, 4, 5] >>> x[1] 2 >>> x[1] = ‘0’ >>> x [1, ‘0’, 3, 4, 5] >>> Access Element 

>>> Slice [start:end(:step)] 

>>> Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 3, 5] >>> Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 3, 5] >>> [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 3, 5] >>> x[::-1] Slice [start:end(:step)] [0:length(:1)] default value 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> >>> x = [1, 2, 3, 4, 5] >>> x[::] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> [1, 2, 3, 4, 5] >>> x[:] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 3, 5] >>> [1, 2, 3, 4, 5] >>> x[1:3] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 3, 5] >>> x[::-1] [2, 3] >>> x[1:-1] [2, 3, 4] >>> x[::2] [1, 3, 5] >>> x[::-1] [5, 4, 3, 2, 1] >>> Slice [start:end(:step)] [0:length(:1)] default value 

>>> length of list len(list) 

>>> >>> x = [1, 2, 3, 4, 5] length of list len(list) 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> length of list len(list) 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> len(x) length of list len(list) 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> len(x) >>> x = [1, 2, 3, 4, 5] >>> len(x) 5 >>> length of list len(list) 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> len(x) >>> x = [1, 2, 3, 4, 5] >>> len(x) 5 >>> >>> x = [1, 2, 3, 4, 5] >>> len(x) 5 >>> len(x[::2]) length of list len(list) 

>>> >>> x = [1, 2, 3, 4, 5] >>> x = [1, 2, 3, 4, 5] >>> >>> x = [1, 2, 3, 4, 5] >>> len(x) >>> x = [1, 2, 3, 4, 5] >>> len(x) 5 >>> >>> x = [1, 2, 3, 4, 5] >>> len(x) 5 >>> len(x[::2]) >>> x = [1, 2, 3, 4, 5] >>> len(x) 5 >>> len(x[::2]) 3 >>> length of list len(list) 

Custom Function 

>>> Define a Function 

>>> >>> def SQ(x): Define a Function 

>>> >>> def SQ(x): >>> def SQ(x): ... Define a Function 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x Define a Function 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x >>> def SQ(x): ... return x * x ... Define a Function 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x >>> def SQ(x): ... return x * x ... >>> def SQ(x): ... return x * x ... >>> Define a Function 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x >>> def SQ(x): ... return x * x ... >>> def SQ(x): ... return x * x ... >>> >>> def SQ(x): ... return x * x ... >>> SQ(10) Define a Function 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x >>> def SQ(x): ... return x * x ... >>> def SQ(x): ... return x * x ... >>> >>> def SQ(x): ... return x * x ... >>> SQ(10) >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> Define a Function 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x >>> def SQ(x): ... return x * x ... >>> def SQ(x): ... return x * x ... >>> >>> def SQ(x): ... return x * x ... >>> SQ(10) >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> Define a Function >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x >>> def SQ(x): ... return x * x ... >>> def SQ(x): ... return x * x ... >>> >>> def SQ(x): ... return x * x ... >>> SQ(10) >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> Define a Function >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> function name 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x >>> def SQ(x): ... return x * x ... >>> def SQ(x): ... return x * x ... >>> >>> def SQ(x): ... return x * x ... >>> SQ(10) >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> Define a Function >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> function name parameter 

>>> >>> def SQ(x): >>> def SQ(x): ... >>> def SQ(x): ... return x * x >>> def SQ(x): ... return x * x ... >>> def SQ(x): ... return x * x ... >>> >>> def SQ(x): ... return x * x ... >>> SQ(10) >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> Define a Function >>> def SQ(x): ... return x * x ... >>> SQ(10) 100 >>> function name parameter function content 

Lambda Function >>> 

Lambda Function >>> >>> CUBE = lambda k: k * k * k 

Lambda Function >>> >>> CUBE = lambda k: k * k * k >>> CUBE = lambda k: k * k * k >>> 

Lambda Function >>> >>> CUBE = lambda k: k * k * k >>> CUBE = lambda k: k * k * k >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 

Lambda Function >>> >>> CUBE = lambda k: k * k * k >>> CUBE = lambda k: k * k * k >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> 

Lambda Function >>> >>> CUBE = lambda k: k * k * k >>> CUBE = lambda k: k * k * k >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) 

Lambda Function >>> >>> CUBE = lambda k: k * k * k >>> CUBE = lambda k: k * k * k >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) 12 >>> 

Lambda Function >>> >>> CUBE = lambda k: k * k * k >>> CUBE = lambda k: k * k * k >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) 12 >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) 12 >>> 

Lambda Function >>> >>> CUBE = lambda k: k * k * k >>> CUBE = lambda k: k * k * k >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) 12 >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) 12 >>> parameter 

Lambda Function >>> >>> CUBE = lambda k: k * k * k >>> CUBE = lambda k: k * k * k >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) 12 >>> >>> CUBE = lambda k: k * k * k >>> CUBE(10) 1000 >>> (lambda x, y: x * y)(3, 4) 12 >>> parameter return value 

Built-in Function 

range >>> 

range >>> >>> range(10) 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> range(stop) 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> range(stop) range(start, stop) 

range >>> >>> range(10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(3, 10) [3, 4, 5, 6, 7, 8, 9] >>> range(1, 10, 2) [1, 3, 5, 7, 9] >>> range(10, 0, -1) [10, 9, 8, 7, 6, 5, 4, 3, 2, 1] >>> range(stop) range(start, stop) range(start, stop, step) 

>>> filter 

>>> >>> x = range(1, 11) filter 

>>> >>> x = range(1, 11) >>> x = range(1, 11) >>> filter 

>>> >>> x = range(1, 11) >>> x = range(1, 11) >>> >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) filter 

>>> >>> x = range(1, 11) >>> x = range(1, 11) >>> >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) [2, 4, 6, 8, 10] >>> filter 

>>> >>> x = range(1, 11) >>> x = range(1, 11) >>> >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) [2, 4, 6, 8, 10] >>> >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) [2, 4, 6, 8, 10] >>> filter 

>>> >>> x = range(1, 11) >>> x = range(1, 11) >>> >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) [2, 4, 6, 8, 10] >>> >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) [2, 4, 6, 8, 10] >>> filter a function receive one parameter and return boolean value 

>>> >>> x = range(1, 11) >>> x = range(1, 11) >>> >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) [2, 4, 6, 8, 10] >>> >>> x = range(1, 11) >>> filter(lambda k: k % 2 == 0, x) [2, 4, 6, 8, 10] >>> filter a function receive one parameter and return boolean value iterable object 

>>> map 

>>> >>> x = range(1, 6) map 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> map 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> map(lambda k: k * k, x) map 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> map(lambda k: k * k, x) >>> x = range(1, 6) >>> map(lambda k: k * k, x) [1, 4, 9, 16, 25] >>> map 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> map(lambda k: k * k, x) >>> x = range(1, 6) >>> map(lambda k: k * k, x) [1, 4, 9, 16, 25] >>> >>> x = range(1, 6) >>> map(lambda k: k * k, x) [1, 4, 9, 16, 25] >>> map 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> map(lambda k: k * k, x) >>> x = range(1, 6) >>> map(lambda k: k * k, x) [1, 4, 9, 16, 25] >>> >>> x = range(1, 6) >>> map(lambda k: k * k, x) [1, 4, 9, 16, 25] >>> map any function receive one parameter 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> map(lambda k: k * k, x) >>> x = range(1, 6) >>> map(lambda k: k * k, x) [1, 4, 9, 16, 25] >>> >>> x = range(1, 6) >>> map(lambda k: k * k, x) [1, 4, 9, 16, 25] >>> map any function receive one parameter iterable object 

>>> reduce 

>>> >>> x = range(1, 6) reduce 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> reduce 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) reduce 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> reduce 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> reduce 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> reduce any function receive two parameters 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> reduce any function receive two parameters iterable object 

>>> >>> x = range(1, 6) >>> x = range(1, 6) >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> >>> x = range(1, 6) >>> reduce(lambda a, b: a**2 + b, x) 21909 >>> reduce any function receive two parameters iterable object calculate ((((1^2)+2)^2+3)^2+4)^2+5 

>>> factorial 

>>> >>> reduce(lambda a, b: a * b, range(1, 6)) factorial 

>>> >>> reduce(lambda a, b: a * b, range(1, 6)) >>> reduce(lambda a, b: a * b, range(1, 6)) 3628800 >>> factorial 

Help Yourself 

>>> Help 

>>> >>> help(reduce) Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. (END) Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. (END) Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. (END) Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. (END) Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. (END) press q Help 

>>> >>> help(reduce) Help on built-in function reduce in module __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, __builtin__: reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is reduce(...) reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items reduce(function, sequence[, initial]) - > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and > value Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. (END) Apply a function of two arguments cumulatively to the items of a sequence, from left to right, so as to reduce the sequence to a single value. For example, reduce(lambda x, y: x+y, [1, 2, 3, 4, 5]) calculates ((((1+2)+3)+4)+5). If initial is present, it is placed before the items of the sequence in the calculation, and serves as a default when the sequence is empty. (END) press q >>> help(reduce) >>> Help 

pip 

pip Package manager for Python Download package in PyPI (Python Package Index) 

pip Package manager for Python Download package in PyPI (Python Package Index) https://pypi.python.org/pypi 

Python Package Index 

Python Package Index There are currently 31069 packages here. 

Install pip $ apt-get install python-pip For Ubuntu $ brew install python For OS X 

Install Pip on Windows Go to https://pypi.python.org/pypi/distribute/0.6.45. Download the source code, and unzip it. Go to the directory and execute the following command. > python.exe setup.py install Go to http://www.lfd.uci.edu/~gohlke/pythonlibs/#pip, and download pip installer. 

Basic Command $ pip install [package_name] Install Package $ pip uninstall [package_name] Uninstall Package $ pip search [package_name] Search Package 

All Command bundle create pybundles freeze output all currently installed packages (exact versions) to stdout help show available commands install install packages search search PyPI uninstall uninstall packages unzip unzip individual packages zip zip individual packages 

Install lxml $ 

Install lxml $ $ pip install lxml 

Install lxml $ $ pip install lxml $ pip install lxml Downloading/unpacking lxml $ pip install lxml Downloading/unpacking lxml Downloading lxml-3.2.1.tar.gz (3.3MB): 3.3MB downloaded Running setup.py egg_info for package lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Downloading/unpacking lxml Downloading lxml-3.2.1.tar.gz (3.3MB): 3.3MB downloaded Running setup.py egg_info for package lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Downloading lxml-3.2.1.tar.gz (3.3MB): 3.3MB downloaded Running setup.py egg_info for package lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. 3.3MB downloaded Running setup.py egg_info for package lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt Running setup.py egg_info for package lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 warning: no previously-included files Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 warning: no previously-included files found matching '*.py' lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 warning: no previously-included files found matching '*.py' warning: no files found matching UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 warning: no previously-included files found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 warning: no previously-included files found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 warning: no previously-included files found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 warning: no previously-included files found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Building without Cython. Using build configuration of libxslt 1.1.26 warning: no previously-included files found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ Using build configuration of libxslt 1.1.26 warning: no previously-included files found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: 1.1.26 warning: no previously-included files found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: warning: no previously-included files found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' found matching '*.py' warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. warning: no files found matching '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. '*.txt' under directory 'src/lxml/tests' Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt Installing collected packages: lxml Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 Running setup.py install for lxml /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 building 'lxml.etree' extension /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 building 'lxml.etree' extension cc -fno-strict-aliasing -fno-common - Frameworks/Python.framework/Versions/2.7/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 building 'lxml.etree' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 building 'lxml.etree' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 'bugtrack_url' warnings.warn(msg) Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 building 'lxml.etree' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ Building lxml version 3.2.1. Building without Cython. Using build configuration of libxslt 1.1.26 building 'lxml.etree' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Building without Cython. Using build configuration of libxslt 1.1.26 building 'lxml.etree' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Using build configuration of libxslt 1.1.26 building 'lxml.etree' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ 1.1.26 building 'lxml.etree' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace clang: warning: argument unused during opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: warning: enumeration value 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { ^ lxml.etree.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing clang: warning: argument unused during compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext compilation: '-flat_namespace' src/lxml/lxml.etree.c:136289:17: warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct src/lxml/lxml.etree.c:136289:17: warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- warning: enumeration value '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] '__pyx_e_4lxml_5etree_PARSER_DATA_INVALID' not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject not handled in switch [-Wswitch] switch (__pyx_v_doc_ref->_type) { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy switch (__pyx_v_doc_ref->_type) { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct { ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext ^ src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! src/lxml/lxml.etree.c:140375:72: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct *)__pyx_v_self->_context))); if (unlikely(! __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext __pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( __pyx_lineno = 543; __pyx_clineno = __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext __LINE__; goto __pyx_L9;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:141781:70: src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy *__pyx_v_self) { ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext ^ src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if src/lxml/lxml.etree.c:141781:70: warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = warning: incompatible pointer types passing 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; 'struct __pyx_obj_4lxml_5etree__BaseContext *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto *' to parameter of type 'struct __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} __pyx_obj_4lxml_5etree__XSLTContext *' [- Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} Wincompatible-pointer-types] __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ __pyx_t_1 = ((PyObject *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ *)__pyx_f_4lxml_5etree_12_XSLTContext__copy (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: (((struct __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter __pyx_obj_4lxml_5etree__BaseContext *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here *)__pyx_v_stylesheet->_context))); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext __pyx_f[2]; __pyx_lineno = 680; __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( __pyx_clineno = __LINE__; goto __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext __pyx_L1_error;} ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:160712:19: src/lxml/lxml.etree.c:138310:138: note: passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- passing argument to parameter '__pyx_v_self' here static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] static struct __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ __pyx_obj_4lxml_5etree__BaseContext *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ *__pyx_f_4lxml_5etree_12_XSLTContext__copy( struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ struct __pyx_obj_4lxml_5etree__XSLTContext *__pyx_v_self) { ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: *__pyx_v_self) { ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), ^ src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) src/lxml/lxml.etree.c:160712:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), ^ src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) src/lxml/lxml.etree.c:162525:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), ^ src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) src/lxml/lxml.etree.c:168081:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), ^ src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) src/lxml/lxml.etree.c:170771:19: warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) warning: expression result unused [- Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ Wunused-value] PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: PyObject_INIT(o, t); ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: warning: function ^ /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not /usr/local/Cellar/python/2.7.5/ Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- Frameworks/Python.framework/Versions/2.7/ include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] include/python2.7/objimpl.h:164:69: note: expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void expanded from macro 'PyObject_INIT' ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode ( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) _Py_NewReference((PyObject *)(op)), (op) ) ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ ^ src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. src/lxml/lxml.etree.c:12770:13: warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - warning: function '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib '__pyx_f_4lxml_5etree_displayNode' is not needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ needed and will not be emitted [-Wunneeded- internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm internal-declaration] static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ static void __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so __pyx_f_4lxml_5etree_displayNode(xmlNode *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension *__pyx_v_c_node, PyObject *__pyx_v_indent) { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - { ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ ^ 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 8 warnings generated. cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ lxml.etree.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ -o build/lib.macosx-10.8-x86_64-2.7/lxml/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ etree.so building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o building 'lxml.objectify' extension cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ cc -fno-strict-aliasing -fno-common - dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace dynamic -I/usr/local/include -I/usr/local/ opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' -Wall -Wstrict-prototypes -I/usr/include/ libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - libxml2 -I/private/var/folders/yx/ 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib 3cgqr5y50vnf9ts91m5x073r0000gn/T/pip-build- KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ KuoE0/lxml/src/lxml/includes -I/usr/local/ Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz Cellar/python/2.7.5/Frameworks/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/ Python.framework/Versions/2.7/include/ python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/ lxml/objectify.so python2.7 -c src/lxml/lxml.objectify.c -o build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/ lxml/objectify.so build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/ lxml/objectify.so warning: no files found matching lxml.objectify.o -flat_namespace clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/ lxml/objectify.so warning: no files found matching '*.txt' under directory 'src/lxml/tests' clang: warning: argument unused during compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/ lxml/objectify.so warning: no files found matching '*.txt' under directory 'src/lxml/tests' Successfully installed lxml compilation: '-flat_namespace' cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/ lxml/objectify.so warning: no files found matching '*.txt' under directory 'src/lxml/tests' Successfully installed lxml Cleaning up... cc -bundle -undefined dynamic_lookup - L/usr/local/lib -L/usr/local/opt/sqlite/lib build/temp.macosx-10.8-x86_64-2.7/src/lxml/ lxml.objectify.o -lxslt -lexslt -lxml2 -lz -lm -o build/lib.macosx-10.8-x86_64-2.7/ lxml/objectify.so warning: no files found matching '*.txt' under directory 'src/lxml/tests' Successfully installed lxml Cleaning up... $ 

Use lxml >>> 

Use lxml >>> >>> import lxml 

Use lxml >>> >>> import lxml >>> import lxml >>> 

SimpleHTTPServer 

Launch a Web Server $ 

Launch a Web Server $ $ pythom -m SimpleHTTPServer 

Launch a Web Server $ $ pythom -m SimpleHTTPServer $ pythom -m SimpleHTTPServer Serving HTTP on 0.0.0.0 port 8000 ... 

Connect to http://localhost:8000 

Web Framework 

Micro framework Full-stack framework 

Thank You for Your Listening.