yet another noob question

[bearophileHUGS at lycos.com]

Simon Forman:
> I originally meant this as a joke and was going to say not to use it.
> But on my old, slow computer it only takes about a second or two.

Another possibility, still using a filter:

nodig = set("06789")
r = [i for i in xrange(11111, 55555+1) if not (set(`i`) & nodig)]

Bye,
bearophile