[已解决]python 列表推导式if语句比较多，求详解

huyanmin

[ (x, y) for x in range(10) if x % 2 if x > 3 for y in range(10) if y > 7 if y != 8 ]

最佳答案

月排行榜 / 总排行榜

wp231957

2021-4-7 08:58:48

还有不明白的吗

>>> [ (x, y) for x in range(10) if x % 2 if x > 3 for y in range(10) if y > 7 if y != 8 ]
[(5, 9), (7, 9), (9, 9)]
>>> [ (x, y) for x in range(10) if x % 2 and  x > 3 for y in range(10) if y > 7 and y != 8 ]
[(5, 9), (7, 9), (9, 9)]
>>> lst=[]
>>> for x in range(10):
...    for y in range(10):
...        if x%2 and x>3:
...             if y>7 and y!=8:
...                 lst.append((x,y))
...
>>> lst
[(5, 9), (7, 9), (9, 9)]
>>>

跳转到最佳答案楼层

wp231957

根据结果自己都能猜个七七八八

wp231957

还有不明白的吗

>>> [ (x, y) for x in range(10) if x % 2 if x > 3 for y in range(10) if y > 7 if y != 8 ]
[(5, 9), (7, 9), (9, 9)]
>>> [ (x, y) for x in range(10) if x % 2 and  x > 3 for y in range(10) if y > 7 and y != 8 ]
[(5, 9), (7, 9), (9, 9)]
>>> lst=[]
>>> for x in range(10):
...    for y in range(10):
...        if x%2 and x>3:
...             if y>7 and y!=8:
...                 lst.append((x,y))
...
>>> lst
[(5, 9), (7, 9), (9, 9)]
>>>