auto save

snake.py

@@ -66,7 +66,7 @@ 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>510:
+    if x<0 or x>630 or y<0 or y>450:
         exit()
         exit()
     
     
     # 将背景图画上去
     # 将背景图画上去