lasers.append(laser) for laser in lasers: laser.move_laser(laser_move_speed) for laser in lasers: if laser.distance(player) < 20 and laser.direction == "Down": life -= 1 laser.goto(10000, 10000) index = lasers.index(laser) lasers.pop(index) for obstacle in obstacles: if laser.distance(obstacle) < 20 and laser.direction == "Up": laser.goto(10000, 10000) obstacle.goto(10000, 10000) index = lasers.index(laser) lasers.pop(index) index = obstacles.index(obstacle) obstacles.pop(index) if life <= 0: text = Turtle() text.color("white") text.penup() text.hideturtle() text.goto(0, 0) text.write(f"You lose\nEnemies remaining: {len(obstacles)}", align="center", font=("Courier", 30, "normal")) game_is_on = False