elif state == 'game_over':
pygame.quit()
sys.exit()
for bl in ball_group:
for bk in block_group:
ball_block_detect(bl, bk)
ball_group.update()
block_group.update()
screen.fill(BLACK)
launcher.draw(screen)
block_group.draw(screen)
ball_group.draw(screen)
pygame.display.flip()
clock.tick(60)
