Python2與Python3的區別收集

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1、python2中，在列表推導中for關鍵字之後的賦值操作可能會影響到列表推導上下文中的同名變數：

Python 2.7.8 (default, Jun 30 2014, 16:03:49) [MSC v.1500 32 bit (Intel)] on win32
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>>> x=‘aaa‘
>>> test = [x for x in ‘ABC‘]
>>> x
‘C‘

 

python3：

>>> x=‘aaa‘
>>> test = [x for x in ‘ABC‘]
>>> x
‘aaa‘

 

Python2與Python3的區別收集