montyhall.py

# Simulate Monty Hall Problem
# https://analytics-notty.tech/very-good-explain-montyhall-problem/

import random

def game(change):
    doors = [1, 2, 3]
    bingo = random.choice(doors)
    hand = random.choice(doors)

    if change:
      return hand != bingo
    else:
      return hand == bingo

n = 1000

x = 0
for i in range(n):
    if game(True): x += 1
print('If you change hand, ', x, 'wins in', n, 'games')

x = 0
for i in range(n):
    if game(False): x += 1
print('If you do not change hand, ', x, 'wins in', n, 'games')