[Tutor] reverse diagonal

[eryksun]

On Sat, Dec 1, 2012 at 9:35 PM, Dave Angel <d at davea.name> wrote:
>
> [M[i][~i] for i,dummy in enumerate(M) ]

Since enumerate() iterates the rows, you could skip the first index:

    >>> [row[~i] for i,row in enumerate(M)]
    [3, 5, 7]