auto save

snake.py

 import pygame
-from pygame import locals
-
+from pygame import
+y-=120
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -27,6 +27,7 @@ while True:
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))
     # 将果实画上去
+    for
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
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