python -> combinations of numbers and letters

Question

#!/usr/bin/python
import random
lower_a = [\'a\', \'b\', \'c\', \'d\', \'e\', \'f\', \'g\', \'h\', \'i\', \'j\', \'k\', \'l\', \'m\', \'n\', \'o\', \'p\', \'q\', \'r         


        

Answer 1

Take a look at function combinations in the module itertools (http://docs.python.org/library/itertools.html#itertools.combinations)

import itertools
... setup all ...
for ilen in range(1, len(all)):
  for combo in itertools.combinations(all, ilen):
    print combo