Arrays? (Or lists if you prefer)

[Hakusa at gmail.com]

Andrea Griffini wrote:
> Neil Cerutti wrote:
>
> >     >>> b =[range(2), range(2)]
>
> I often happened to use
>
>        b = [[0] * N for i in xrange(N)]
>
> an approach that can also scale up in dimensions;
> for example for a cubic NxNxN matrix:
>
>        b = [[[0] * N for i in xrange(N)]
>             for j in xrange(N)]
> 
> Andrea

What's the difference between xrange and range?