All pastes #978633 Raw Edit

Stuff

public text v1 · immutable
·published 2008-04-09 18:25 UTC
rendered paste body
def perms(L):
    if not L:
        return [[]]
    else:
        x = L[0]
        xs = L[1:]
        return [perm[:i] + [x] + perm[i:]
                for perm in perms(xs)
                for i in xrange(len(perm)+1)]