screen.onkey(key="Right", fun=turret.move_right)
screen.onkey(key="Left", fun=turret.move_left)
screen.onkey(key="space", fun=turret.shoot)
playing = True
while playing:
screen.update()
time.sleep(enemies.move_speed)
enemies.move()
enemies.enemy_shoot()
check_win()
if turret.bullet:
turret.player_bullet_move()
if enemies.enemy_bullet:
enemies.enemy_bullet_move()
check_player_collisions()
check_out_of_bounds()
check_enemy_collisions()
if check_win():
playing = False
if scoreboard.lives == 0:
scoreboard.game_over()
playing = False
screen.exitonclick()
