alien_invasion - Copy.py

import sys 

import pygame

class AlienInvasion:
    """Overall class to manage game assets and behavior. """
    
    def __init__(self):
        """Initialize the game, and create game resources. """
        pygame.init()
        self.screen = pygame.display.set_mode((400, 400))
        pygame.display.set_caption("Alien Invasion")
        
    def run_game(self):
        """Start the main loop for the game. """
        while True:
            # Watch for keyboard and mouse events. 
            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    sys.exit()
                    
        # Make the most recently drawn screen visible. 
            pygame.display.flip()
            
            
if __name__ == '__main__':
    # Make a game instance, and run the game.
    ai = AlienInvasion()
    ai.run_game()