如何在Python中将最后一列与2D数组分开？

Question

我需要分离2D数组，以便分别拥有最后一列和其余列。那些必须是数组。

Answer 1

这有帮助吗？

>>> a = [[1,2,3], [4,5,6], [7,8,9]]
>>> l = [row[:-1] for row in a]
>>> r = [row[-1] for row in a]
>>> l
[[1, 2], [4, 5], [7, 8]]
>>> r
[3, 6, 9]