r = Region(Region(2516,495,694,273))
leftSide = [("left1.png"), ("left2.png"), ("left3.png"), ("left4.png"), ("left5.png"), ("left6.png"), ("left7.png"), ("left8.png"), ("left9.png"), ("left10.png"), ("left11.png")]
rightSide = [("right1.png"), ("right2.png"), ("right3.png"), ("right4.png"), ("right5.png"), ("right6.png"), ("right7.png"), ("right8.png"), ("right9.png"), ("right10.png"), ("right11.png"), ("right12.png")]
neitherSide = [("center1.png"), ("center2.png"), ("center3.png"), ("center4.png")]
def moveLeft(event):
    type(Key.LEFT)
    wait(0.2)
    r.stopObserver()
def moveRight(event):
    type(Key.RIGHT)
    wait(0.2)
    r.stopObserver()
while True:
    r.onAppear(leftSide, moveRight)
    r.onAppear(rightSide, moveLeft)
    r.onAppear(neitherSide, moveRight)
    r.observe(FOREVER)