Monty_Hall_Problem.py

import random

doors = ['Goat', 'Car', 'Goat']

n = 1000
win = 0
lose = 0
for _ in range(n):
    
    #-------------------------#
    # shuffle and random pick #
    #-------------------------#
    random.shuffle(doors)
    first_choice = random.randrange(3)

    #--------------------------------#
    # open a door with a goat behind #
    #--------------------------------#
    for idx, gift in enumerate(doors):
        if idx != first_choice and gift == 'Goat':
            open_door = idx        
    
    #----------------------------#
    # change the original choice #
    #----------------------------#
    choices = [0, 1, 2]
    choices.remove(first_choice)
    choices.remove(open_door)

    second_choice = choices[0]
    
    #--------#
    # result #
    #--------#
    if doors[second_choice] == 'Car':
        win += 1
    else:
        lose += 1
        
print(f'Win:{win}, Lose:{lose}')