如何在python中反转列表列表？

Question

我想知道如何在python中反转列表列表.例如,

原件:list = [[1,2,3],[4,5,6],[7,8,9]] 输出:new_list = [[7,8,9],[4,5,6],[1,2,3]]

现在,我正在尝试这个:

new_list = reversed(list)

但是,这似乎不起作用.

Answer 1

In [24]: L = [[1,2,3],[4,5,6],[7,8,9]]

In [25]: L[::-1]
Out[25]: [[7, 8, 9], [4, 5, 6], [1, 2, 3]]