# Importing the Pygame library for building games and multimedia applications.
import pygame
# Importing constants from pygame.locals module.
from pygame.locals import *
# Importing the sys module to exit the program.
import sys

# Initializing all Pygame modules.
pygame.init()

# Defining a class for the player sprite.
class Player(pygame.sprite.Sprite):
    # Constructor method that runs when a new instance of the class is created.
    def __init__(self):
        # Calling the constructor of the superclass (pygame.sprite.Sprite).
        super().__init__()
        # Loading the player sprite image from a file ("Player_Sprite_R.png").
        self.image = pygame.image.load("Player_Sprite_R.png")
        # Getting the rectangle that encloses the player sprite image.
        self.rect = self.image.get_rect()