Making Imports and Generating Configuration

Python3




import pygame
import random
pygame.init()
white = (255, 255, 255)
X = 1200
Y = 650
doors = random.sample(range(1, 4), 3)
goat1 = doors[0]
goat2 = doors[1]
goats = [goat1, goat2]
car = doors[2]


Only two external modules are needed for this simulation pygame and random. At the beginning of every Pygame program, it is necessary to initialize Pygame by writing pygame.init(). The X and Y values refer to the dimensions of the window in which the simulation would run. These values can be altered based on the desired resolution and the images used. The list, doors, have values between 1 and 3 (inclusive). The order of these values would jumbled each time the program is run. This is done in order to assign the doors behind which there will be goats. According to the problem, there are a total of three doors behind two of these doors, there would be goats, and behind the third door, there would be a car. The variables goat1 and goat2 hold the door numbers behind which there would be goats. These numbers are then added to a list called goats. The third number is assigned to the variable, car.

Monty Hall Problem’s Simulation Using Pygame

In this article, we are going to see how to create Monty Hall games using Pygame in Python. Monty Hall was a game show of the American television game show Let’s Make a Deal. 

Suppose you’re on a game show, and you’re given the choice of three doors, Behind one door is a car; behind the others, goats. You pick a door, say No. 1, and the host, who knows what’s behind the doors, opens another door, say No. 3, which has a goat. He then says to you, “Do you want to pick door No. 2?” Is it to your advantage to switch your choice?

Demo of what the end product would look like:

The goat is revealed to behind door 1. Original selection was door 2. 

As the decision was made to stay, the game is won. 

Please ensure that the images and the audio used are present in the same folder as the Python file. The images and the audio can be downloaded from here

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Work Flow and Logic

The entire simulation can be condensed into the following points:...

Making Imports and Generating Configuration

Python3 import pygame import random pygame.init() white = (255, 255, 255) X = 1200 Y = 650 doors = random.sample(range(1, 4), 3) goat1 = doors[0] goat2 = doors[1] goats = [goat1, goat2] car = doors[2]...

Adding Background and Music

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Updating Image Based on the User’s Input

Python3 display_surface = pygame.display.set_mode((X, Y)) pygame.display.set_caption('Simulation') image = pygame.image.load('all_doors.jpg') change = False     def music():     file = 'click.mp3'     pygame.mixer.init()     pygame.mixer.music.load(file)     pygame.mixer.music.play()...

Main Loop and Handling Clicks

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Loading all Valid Configurations (Images) and Generating Position of Goats

Python3 def show_car(car, state):     my_font = pygame.font.SysFont("latoblack", 26)     display_surface = pygame.display.set_mode((X, Y))     car1 = pygame.image.load('car_1.jpg')     car2 = pygame.image.load('car_2.jpg')     car3 = pygame.image.load('car_3.jpg')       if car == 1:         display_surface.blit(car1, (0, 0))         pygame.display.update()     elif car == 2:         display_surface.blit(car2, (0, 0))         pygame.display.update()     elif car == 3:         display_surface.blit(car3, (0, 0))         pygame.display.update()     if state == 1:         the_text = my_font.render("You won by switching!", True, (231, 0, 10))         display_surface.blit(the_text, (350, 180))         pygame.display.update()     elif state == 2:         the_text = my_font.render(             "You could've won by staying!", True, (231, 0, 0))         display_surface.blit(the_text, (350, 180))         pygame.display.update()     elif state == 3:         the_text = my_font.render("You won by staying!", True, (231, 0, 0))         display_surface.blit(the_text, (350, 180))         pygame.display.update()     elif state == 4:         the_text = my_font.render(             "You could've won by switching!", True, (231, 0, 0))         display_surface.blit(the_text, (350, 180))         pygame.display.update()     def draw_rect():     pygame.draw.rect(display_surface, (20, 24, 11),                      (300, 220, 300, 40), 1)     pygame.display.update()     pygame.draw.rect(display_surface, (14, 2, 200),                      (300, 260, 300, 40), 1)     pygame.display.update()...

Displaying Result (Text) Based on the User’s Input

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Below is the complete implementation:

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