Super secure random password generator. Inspired by https://xkcd.com/936/

password.py

from random import SystemRandom
from itertools import permutations
from math import factorial
from sys import argv

sysRandom = SystemRandom()

lines = open('/usr/share/dict/words').read().split('\n')

if len(argv) > 1 and argv[1] == 'count':
    print("There are {0} words for us to pick from. That gives us {1} possible combinations".format(len(lines), factorial(len(lines)) / factorial(len(lines) - 4)))

for i in range(0, 4):
    print((" " if i != 0 else "") + sysRandom.choice(lines), end="")