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Python First Class
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laike9m
December 31, 2013
Programming
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Python First Class
Python 入门第一课。包括准备工作、安装方法、常用的资源等
laike9m
December 31, 2013
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Transcript
Learning Python by laike9m
[email protected]
https://github.com/laike9m
Python ['paɪθɑn]
Guido van Rossum http://www.python.org/~guido/
为什么要学习Python
TIOBE Programming Community Index
Who use Python? • Python在各领域的应用 http://www.python.org/about/success/ • Google - 谷歌在很多项目中用Python作为网络应用的后端,如
Google Groups、Gmail、Google Maps等,Google App Engine支持 python作为开发语言 • 豆瓣 - 从一开始就把Python作为主语言 • Python在豆瓣的应用 • 豆瓣在python和ruby之间为何选择前者? • NASA - 美国宇航局,从1994年起把Python作为主要开发语言 • gedit - C, Python http://en.wikipedia.org/wiki/Gedit
这些都不是最重要的
Python的特性 • Ease of Learning • Rapid Development Cycle •
Economy of Expression • Readability and Beauty • One way to do it • Interactive Prompt • Batteries Included • Protocols -- wsgi, dbapi, …
None
翻墙 • 优秀的博客、论坛被墙掉 • https://code.google.com/p/smartladder/
申请一个Gmail账号 • 很多地方可以直接使用Gmail账号登陆 • 体现一种态度
申请一个Github账号
申请一个stackoverflow账号
学会使用Google,而不是百度 • 百度不是不能用,要看用来做什么 • Google在专业搜索方面更强 • 尽可能在搜索时使用英文 • 适应阅读英文
Lets get started
Windows • 虚拟机演示 • 建议,使用3.3+版本 • http://python.org/ftp/python/3.3.2/
Linux • 自带Python2.7 or 2.6 (Ubuntu13.04以上自带Python3.3.1) • 虚拟机演示:apt系,安装Python3.3.2 wget http://python.org/ftp/python/3.3.2/Python-3.3.2.tar.bz2
tar xf Python-3.3.2.tar.bz2 cd Python-3.3.2 ./configure --prefix=/usr/local make && sudo make altinstall • yum系安装,参考: http://stackoverflow.com/questions/8087184/installing-python3-on-rhel
IDLE 和 Command line REPL: read evaluate print loop
Vim 和 IDE • 实际写代码,不可能用IDLE和command line • 使用Vim或者IDE • http://stackoverflow.com/questions/81584/what-ide-to-use-for-
python • 用得较多:Vim, Sublime2, PyDev, PyCharm • vrapper
Install Package • https://pypi.python.org/pypi • 推荐:pip https://pypi.python.org/pypi/pip/1.4.1 • 最普遍的方法:python setup.py
install • Windows下:exe,msi安装包 • 演示,安装pip,安装另一个package,卸载package
Learning Python – online tutorial • http://www.codecademy.com
Codecademy
• 对于有其它语言基础的人,一周内完全能够完成 • 了解基础语法,基本技巧 • Python很好学 ≠ Pyton很容易掌握
An example • 任务:产生一个[1,4,9,16,...]的列表供之后使用
Learn more ... • 任何一个主题在网上都可以找到资料 • MOTW:http://pymotw.com/2/contents.html • 高级主题:http://stackoverflow.com/questions/101268/hidden- features-of-python/102037
• blog posts
None
到底可以用Python做什么 – 我的例子 • rename.py – 重命名虾米音乐下载的歌曲 • login.py –
ChinaUnicom模拟登陆,断线重连 • split_p.py – 分割漫画图片 • lottery – FSD活动用的抽奖程序(with 汪洋) • 131manhua – 从131下载漫画(已失效) • My Django site – 用Django搭建的个人网站(建设中) • 毕业设计 – 自然语言处理,story segmentation
Become a happy Python programmer