if event type =mousebuttonup foods append(pygame rect(event pos[ ]event pos[ ]foodsizefoodsize) foodcounter + if foodcounter >newfood add new food foodcounter foods append(pygame rect(random randint( windowwidth foodsize)random randint( windowheight foodsize)foodsizefoodsize) draw the black background onto the surface windowsurface fill(black move the player if movedown and player bottom windowheight player top +movespeed if moveup and player top player top -movespeed if moveleft and player left player left -movespeed if moveright and player right windowwidth player right +movespeed draw the player onto the surface pygame draw rect(windowsurfacewhiteplayer check if the player has intersected with any food squares for food in foods[:] if player colliderect(food) foods remove(food draw the food for in range(len(foods)) pygame draw rect(windowsurfacegreenfoods[ ] draw the window onto the screen pygame display update( mainclock tick( this program is almost identical to the collision detection program but in this programthe bouncer only moves around when the user holds down the arrow keys on the keyboard you can also click anywhere in the window and create new food objects in additionthe esc key will quit the program and the "xkey will teleport the player to random place on the screen post questions to