Django Girls Taipei: Python

Python djangogirlstaipei.herokuapp.com/tutorials/python/

(٥̫٥)א 锞㢵䭸來 Python

C:\Users\Tzu-‐ping Chung>python3 Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014,
10:38:22) [MSC v.1600 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>>

[email protected]:~$ python3 Python 3.4.0 (default, Apr 11 2014, 13:05:11)
[GCC 4.8.2] on linux Type "help", "copyright", "credits" or "license" for more information. >>>

uranusjr:~ uranusjr$ python3 Python 3.4.1 (default, Aug 24 2014,
21:32:40) [GCC 4.2.1 Compatible Apple LLVM 5.1 (clang-‐503.0.40)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>>

>>> 2 + 3 5

(٥̫٥) 5 2 + 3

>>> 4 * 5 ??? >>> 40 /
(7 -‐ 3) * 2 ??? >>> 2 ** 3 ???

>>> 'I am a Django Girl' 'I am a
Django Girl' >>> 'Hello ' + 'Django' 'Hello Django' >>> 'Django ' * 3 'Django Django Django ' >>> len('Django') 6

>>> len('Django') 6 ⴅ䒭

ⴄ䒭涸せ㶵(「鑁)

>>> len(304023) Traceback (most recent call last):
File "<stdin>", line 1, in <module> TypeError: object of type 'int' has no len()

>>> len(str(304023)) 6

>>> str(304023) '304023' >>> int('123') 123
>>> int('Hello!') ???

>>> int('Hello!') Traceback (most recent call last):
File "<stdin>", line 1, in <module> ValueError: invalid literal for int() with base 10: 'Hello!'

>>> pet = 'Kitty' >>> 岣䠐鸍儗⦪湫陻㐻չ♶剙պ㔐⫄湫〪剙 랾랾䪾隵侶涸⧩鏣饯⢵կ

'Kitty' pet

>>> pet = 'Kitty' >>> pet 'Kitty'
>>> len(pet) 5 >>> seven = 7 >>> six = 6 >>> answer = seven * six >>> answer 42

>>> pet = 'Kitty' >>> pat ???

(٥̫٥) 'Kitty' pet 'Kitty' pet

(խ̫)? ???? pat 'Kitty' pet

>>> pet = 'Kitty' >>> pat Traceback (most
recent call last): File "<stdin>", line 1, in <module> NameError: name 'pat' is not defined

>>> [] [] >>> lottery = [59, 42,
30, 19, 12, 3] >>> len(lottery) 6

>>> lottery[0] 59 >>> lottery[1] 42
>>> lottery[-‐1] ??? >>> lottery[1000] ???

>>> lottery = [59, 42, 30, 19, 12, 3]
>>> print(lottery[1000]) Traceback (most recent call last): File "<stdin>", line 1, in <module> IndexError: list index out of range

>>> lottery = [59, 42, 30, 19, 12, 3]
>>> lottery[1] = 22 >>> lottery [59, 22, 30, 19, 12, 3]

>>> {} {} >>> my_information = {
... 'name': 'Pusheen the Cat', ... 'country': 'USA', ... 'favorite_numbers': [42, 105]} >>> len(my_information) 3

>>> my_information['name'] Pusheen the Cat >>> my_information['age']
???

>>> my_information['age'] Traceback (most recent call last):
File "<stdin>", line 1, in <module> KeyError: 'age'

>>> my_information {'name': 'Pusheen the Cat', 'country': 'USA',
'favorite_numbers': [42, 105]} >>> my_information['color'] = 'gray' >>> len(my_information) 4 >>> del my_information['farovite_numbers'] >>> my_information {'name': 'Pusheen the Cat', 'country': 'USA', 'color': 'gray'}

>>> my_information['name'] = 'Pusheen' >>> my_information {'name': 'Pusheen',
'country': 'USA', 'color': 'gray'}

>>> 5 > 2 True >>> 3 <
1 False >>> 5 > 2 * 3 False >>> 1 == 1 True

>>> 6 >= 12 / 2 True >>>
3 <= 2 False >>> 6 > 2 and 2 < 3 True >>> 3 > 2 and 2 < 1 False >>> 3 > 2 or 2 < 1 True

>>> 'Sherlock' > 'John' ??? >>> 1 <
'Django' ???

>>> 'Sherlock' > 'John' True >>> 1 <
'Django' Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unorderable types: int() < str()

• NameError • ValueError • IndexError •
KeyError • TypeError

>>> is_cool = True >>> is_cool True
>>> can_go_home = 2 > 5 >>> can_go_home False

>>> True and True ??? >>> False and
True ??? >>> True or 1 == 1 ??? >>> 1 != 2 ???

>>> pet = 'Pusheen' >>> pet 'Pusheen'
>>> print(pet) Pusheen

(٥̫٥) 'Pusheen' QFU酭꬗僽➊ 랃 'Pusheen' pet

(٥̫٥)א ⽫ⴀQFU涸Ⰹ㺂 Pusheen 'Pusheen' pet

(٥̫٥) 6 TJY酭꬗僽➊랃 6 six

(٥̫٥)א ⽫ⴀTJY涸Ⰹ㺂 6 six 6

$ python3 my_program.py 'I am a Django Girl'

㛂遤鸏❉䭸⟂ (٥̫٥)א 穡卓

if 3 > 2:

$ python3 my_program.py File "my_program.py", line 2
^ SyntaxError: unexpected EOF while parsing

if 3 > 2: print('It works!')
㔋⦐瑠涯 侄箺銲岣䠐♧♴㷷㆞涸箟鰿㐻剣鏣㹀䧭 tab with spaces ㄤ tab size = 4

$ python3 my_program.py It works!

if 2 > 5: print('2 >
5') else: print('2 <= 5') $ python3 my_program.py 2 <= 5

if 2 > 5: print('2 >
5') elif 2 < 5: print('2 < 5') else: print('2 == 5') $ python3 my_program.py 2 < 5

def hi(): print('Hi there!')
print('How are you?') $ python3 my_program.py

def hi(): print('Hi there!')
print('How are you?') hi() $ python3 my_program.py Hi there! How are you?

def hi(name): print('Hi' + name +'!')
print('How are you?') hi()

$ python3 my_program.py Traceback (most recent call last):
File "my_program.py", line 4, in hi() TypeError: hi() missing 1 required positional argument: 'name'

def hi(name): print('Hi' + name +'!')
print('How are you?') hi('Pusheen') $ python3 my_program.py Hi Pusheen! How are you?

㋿

class Cat: def meow(self):
print('Meow!')

class Cat: def meow(self):
print('Meow!') pusheen = Cat() pusheen.meow() $ python3 cat.py Meow!

class Cat: def __init__(self, name):
self.name = name def meow(self): print(self.name + ' Meow!') pusheen = Cat() pusheen.meow()

$ python3 cat.py Traceback (most recent call last):
File "cat.py", line 8, in pusheen = Cat() TypeError: __init__() missing 1 required positional argument: 'name'

self.name = name def meow(self): print(self.name + ' Meow!') pusheen = Cat() pusheen.meow()

self.name = name def meow(self): print(self.name + ' Meow!') pusheen = Cat('Pusheen') pusheen.meow() $ python3 cat.py Pusheen Meow!

self.name = name def meow(self): print(self.name + ' Meow!') pusheen = Cat('Pusheen') pusheen.meow() print(pusheen) $ python3 cat.py Pusheen Meow! <__main__.Cat object at 0x1006f15c0>

self.name = name def __str__(self): return 'Cat: ' + self.name def meow(self): print(self.name + ' Meow!') pusheen = Cat('Pusheen') pusheen.meow() print(pusheen)

$ python3 cat.py Pusheen Meow! Cat: Pusheen

def hi(name): print('Hi ' + name
+ '!') girls = ['Michelle', 'Ola', 'you'] for name in girls: hi(name) print('Next girl')

$ python3 say_hi.py Hi Michelle! Next girl
Hi Ola! Next girl Hi you! Next girl

self.name = name def __str__(self): return 'Cat: ' + self.name def meow(self): print(self.name + ' Meow!') pet.py

import pet cats = [
pet.Cat('Kitty'), pet.Cat('Pusheen'), pet.Cat('Doraemon'), ] for cat in cats: cat.meow() say_meow.py

$ ls pet.py say_meow.py $ python3
say_meow.py Kitty Meow! Pusheen Meow! Doraemon Meow!

# 䪾 pet 垷穈⻼Ⰵ import pet # 䪾
pet 酬꬗涸 Cat 겲ⴽ⻼Ⰵ from pet import Cat

姻鋊邍爚䒭 3FHVMBS&YQSFTTJPO

〵⻍䋑⥌纏⼦匡➋騟贫垜 넞꧆䋑뛥㚆⼦⚥姻㔋騟贫㾓匌簖惐䊝ꔩꆄꤰ遳贫倞畾簖畾⻍䋑⯕僈Ⱉ騟匌♧媯贫

import re addresses = [
'台北市信義區松仁路7號8樓', '高雄市鹽埕區中正四路274號', '屏東縣潮州鎮金陵街31號', '新竹縣竹北市光明六路東一段183號', ] for addr in addresses: print(re.search(r'\w+市', addr)) address.py

\w+䋐 ♧⦐㶶 ⵹꬗涸匌銯 ♧⦐⟃♳ չ䋑պ鸏⦐㶶

for addr in addresses: match =
re.search(r'(?P<city>\w+市)', addr) if match: print(match.group('city')) address.py $ python3 address.py 台北市高雄市新竹縣竹北市

re.search(r'(?P<city>\w{2}市)', addr) if match: print(match.group('city')) address.py $ python3 address.py 台北市高雄市竹北市

re.search(r'^(?P<city>\w{2}市)', addr) if match: print(match.group('city')) address.py $ python3 address.py 台北市高雄市

〵⻍䋑⥌纏⼦匡➋騟贫垜 넞꧆䋑뛥㚆⼦⚥姻㔋騟贫㾓匌簖惐䊝ꔩꆄꤰ遳贫倞畾簖畾⻍䋑⯕僈Ⱉ騟匌♧媯贫

re.search( r'(?P<no>\d+號)$', addr, ) if match: print(match.group('no')) address.py $ python3 address.py 274號 31號 183號

re.search( r'(?P<no>\d+號(\d+樓)?)$', addr, ) if match: print(match.group('no')) address.py $ python3 address.py 7號8樓 274號 31號 183號

^ Ꟛ걧 $ 穡㽵 \w ♧⦐㶶 \d ♧⦐꣚䬘⠭侸㶶 + ⵹꬗涸匌銯♧⦐⟃♳
{num} ⵹꬗涸匌銯剤num⦐ ? ⵹꬗涸匌銯ꨫ䧴♧⦐ ( ... ) 䪾匌銯穉ざ㖈♧饱 (?P<name> ...) 䪾匌銯穉ざ㖈♧饱⚛《そ䧭name

‧ӹ,:*:‧\(ӟ)/‧:*‧°ӹ*

Django Girls Taipei: Python

Django Girls Taipei: Python

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