Racey – Boundaries

STEP Four – A

	car_width = 73

STEP Four – B

gameExit = False

AND Change the following line; FROM

	while not crashed:

TO

while not gameExit:

STEP Four – C

#side boundaries 
    if x > display_width - car_width or x < 0:
        gameExit = True

Now run your code

If you move the race car to either edge the game will stop