/ 操作符
python 2
>>> 13 / 8
1
>>> 13 / 8.0 # 操作數必須有浮點數
1.625
>>>
python 3(除法有小數點)
>>> 13 // 8 # 整除
1
>>> 13 / 8
1.625
>>>
python 2
>>> print 'Hello'
Hello
>>>
python 3 (函數調用必須加小括號)
>>> print('Hello')
Hello
>>>
待補充
>>> 13 / 8
1
>>> 13 / 8.0 # 操作數必須有浮點數
1.625
>>>
>>> 13 // 8 # 整除
1
>>> 13 / 8
1.625
>>>
>>> print 'Hello'
Hello
>>>
>>> print('Hello')
Hello
>>>
待補充
class MetaCls(type): def __new__(cls, *args, **kwargs): print("in MetaCls") # return super(Meta