Create 3D array using Python

Question

I would like to create a 3D array in Python (2.7) to use like this:

distance[i][j][k]

And the sizes of the array should be the size of a vari

Answer 1

The right way would be

[[[0 for _ in range(n)] for _ in range(n)] for _ in range(n)]

(What you're trying to do should be written like (for NxNxN)

[[[0]*n]*n]*n

but that is not correct, see @Adaman comment why).