Generate simple n-bit truth tables

truth.py

''' Generate a truth table '''
from itertools import product

import sys
args = sys.argv[1:]
if args!=[]:
  bits = int(args[0])
  sep1 = '\t' if len(args)<=1 else args[1]
  sep2 = '\n' if len(args)<=2 else args[2]
  print(sep2.join([sep1.join(map(str,l)) for l in product(*[(0,1)]*bits)))