auto save

snake.py

-import random
-import pygame
+import  random
+import  pygame
 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
@@ -64,6 +64,7 @@ while True:
         apple_y = num2 * 30 - 30
         apple_y = num2 * 30 - 30
     else:
     else:
         position.pop(0)
         position.pop(0)
+    if x
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去