3. Playing Sounds in Pygame.py

import pygame  # Importing all the packages of the pygame
import random # Importing random so that we can give random positions to our enemy
import math
from pygame import mixer

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
pygame.init()  # Initializes the pygame
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Dimension of the screen
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

width = 800  # Width of the SCREEN or the FRAME or the WINDOW
height = 600  # Height of the SCREEN or the FRAME or the WINDOW

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Colours
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
blue = (0, 0, 255)

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Creating a Screen
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
screen = pygame.display.set_mode((width, height))

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Creating Background
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------


#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
#backgroundSound
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
mixer.music.load("./Sounds/spaceInvadersWar.mp3")         #play the music
mixer.music.play(-1)                             #-1 is for loop of sound

#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
# Title
#--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
pygame.display.set_caption("PyGame Title")  # Giving the title to the Output


running = True  # running value i.e its true while the player is running
while running:
    # --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    screen.fill(blue)  # screen is filled with color
    # --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    


    for event in pygame.event.get():  # getting all the events happening externally using loop
        if event.type == pygame.QUIT:  # if QUIT button or X button is pressed
            running = False  # Running value returns while loop as false and the loop breaks
        pygame.display.update()  # Updating the screen is imp because it changes the screen for each cycle or events or the loop