如何在Python中将最后一列与2D数组分开？

Question

我需要分离二维数组，以便分列最后一列和其余部分。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]