Adding Background and Music

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()


The display_surface variable is like a canvas, upon which we would be adding entities (images, text etc.) as per the requirements. The argument passed through the display.set_caption function would be the title of the simulation window. The image that is to be shown at first — all three doors closed is loaded. A Boolean variable, change, is used to record changes. The function music is optional to have. Its function is to produce click sound whenever the user presses on a door. Be sure to have the mp3 file of whatever music is wished to be played. The function performs three steps initialize, load and play. 

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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