import pygame

pygame.init()

screen = pygame.display.set_mode((640, 480))
clock = pygame.time.Clock()

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()

    # Update game state

    screen.fill((0, 0, 0))
    # Draw game objects

    pygame.display.flip()
    clock.tick(60)