Monty Hall Proof

montyhall.py

#!/usr/bin/env python
from random import shuffle


options = [1, 0, 0]
iterations = 1000000

stick = 0
change = 0

for _ in range(iterations):
    shuffle(options)
    stick += options[0]
    change += options[1] + options[2]

print('stick: {:.2%}'.format(stick/iterations))
print('change: {:.2%}'.format(change/iterations))