Press the green flag to start the game Press the left arrow to move your paddle left Press the right arrow to move your paddle right Don't let the ball hit the red or your score will go to zero If your paddle hits the ball you get 2 points. When you reach 10 points, something will change!
Challenge: Program this pong game to switch to the 2nd backdrop when the score reaches 10 points, and switch to the third when the score reaches 20 points.
