Duncan Booth <[EMAIL PROTECTED]> wrote:
> the invariant that you are looking for is that for all non-negative a, b: > x[a:b:1] reversed is x[-len(x)+b-1:-len(x)+a-1:-1] > I should of course have said "all a, b in the range 0 <= a <= len(x) and 0 <= b <= len(x)". -- http://mail.python.org/mailman/listinfo/python-list
