save project

snake.py

@@ -39,5 +39,7 @@ while True:
         score=score+1
         score=score+1
     else:
     else:
         position.pop(0)
         position.pop(0)
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
 
 
     pygame.display.update()
     pygame.display.update()
\ No newline at end of file