auto save

snake.py

 import pygame
 import pygame
+import random
 from pygame import locals
 from pygame import locals
 
 
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
@@ -62,7 +63,7 @@ while True:
         screen.blit(body, position[i])
         screen.blit(body, position[i])
 
 
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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