while True:
        gf.check_events(ai_settings, screen, stats, play_button,
                        ship, aliens, bullets)

        if stats.game_active:
            ship.update()
            gf.update_bullets(ai_settings, screen, ship, aliens, bullets)
            gf.update_aliens(ai_settings, stats, screen, ship, aliens, bullets)
            gf.update_screen(ai_settings, screen, stats, ship, aliens, bullets, play_button)
        # ниже вносимые изменения
        else:
            gf.update_screen(ai_settings, screen, stats, ship, aliens, bullets, play_button)