Pygame Snake, Pt. 6

Currently, there is a subtle but real flaw in the controls for the game. If the player presses two keys in quick succession, only the last one is registered -- one, or more, are simply dropped. You can see the effect easily if you lower the framerate to something extreme, e.g. 1 (i.e. 1 frame per second) by changing the clock.tick(20) line to clock.tick(1) . If you quickly press down and then right, only right will be registered. Thankfully, pygame makes it revlatively easy to fix this. Inside t