permutation.py

# -*- coding: utf-8 -*-
# ha-ha!
import itertools

DICTIONARY = 'abc123'
LIMIT = 3
out_file = 'out.log'

with open(out_file, 'w') as file:
    for i in itertools.product(DICTIONARY, repeat=LIMIT):
        print ''.join(i)
        file.write("%s\n" % ''.join(i))