小编Mat*_*att的帖子

我有一个网格(6行,5列):

grid = [
        [None, None, None, None, None],
        [None, None, None, None, None],
        [None, None, None, None, None],
        [None, None, None, None, None],
        [None, None, None, None, None],
        [None, None, None, None, None],
        ]

我增加了网格,它可能变成如下:

grid = [
        [{"some" : "thing"}, None, None, None, None],
        [None, None, None, None, None],
        [None, None, None, None, None],
        [None, None, None, {"something" : "else"}, None],
        [None, {"another" : "thing"}, None, None, None],
        [None, None, None, None, None],
        ]

我想删除包含所有内容 None的整个行和列.所以在前面的代码中,网格将转换为: …