Monty Hall Proof

monty.py

# A quick test to prove https://en.wikipedia.org/wiki/Monty_Hall_problem

import random
ITERATIONS = 100000
DOORS = ["goat", "goat", "tesla"]

j = 0
for i in range (0, ITERATIONS):
	shuffled_list = DOORS[:] # copy a list
	random.shuffle(shuffled_list)	# shuffle our copy

	guess = shuffled_list.pop()	# take a guess
	shuffled_list.remove("goat")	# the host shows where the other goat is hiding

	if (shuffled_list[0] == "goat"):	# two choices left, a goat and a ferrari
		j += 1

print("You got {} goats in {} games by always changing the door".format(j, ITERATIONS))
print("The chance for a lovely goat was {0:.1f} %".format((float(j)/ITERATIONS)*100))