Python_推导列表

推导列表

1、[表达式 for 变量 in 列表]   

>>> [x for x in range(2,7,2)]
[2, 4, 6]
>>> [x*2 for x in range(2,7,2)]
[4, 8, 12]
>>> [x**2 for x in range(1,11)]
[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]

 

2、 [表达式 for 变量 in 列表 if 条件]

>>> [x**2 for x in range(1,11) if x %2==0]
[4, 16, 36, 64, 100]
>>>