在numpy中，它是 numpy .ndindex 。另请参阅 numpy.ndenumerate 。

In numpy, it's numpy.ndindex. Also have a look at numpy.ndenumerate.

例如

import numpy as np
for x, y in np.ndindex((3,2)):
    print x, y

此收益率：

0 0
0 1
1 0
1 1
2 0
2 1