Press the arrows up, down to move the paddle, the other paddle moves alone! Appuyer sur les flèches haut, bas pour faire bouger le paddle, l'autre paddle bouge tous seul !
thanks to @pipistrelle56 for the original project v1.2 : https://scratch.mit.edu/projects/1157917545/ v1.0 : https://scratch.mit.edu/projects/1151021476/ 276 blocks
