Dan Bishop <danb_83 at yahoo.com> writes: > If you ever do, it's trivial to write your own enumerate(): > def enumerate(seq): > index = 0 > for item in seq: > yield (index, item) > index += 1 That's a heck of a lot slower than the builtin, and if you're running it often enough for sys.maxint to be an issue, you may care about the speed.