auto save

snake.py

 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -19,9 +20,12 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+apple_x=360
+apple_y=300
 
 setheading = "right"
 snake_head = right
+score=0
 
 while True:
     for event in pygame.event.get():
@@ -51,8 +55,12 @@ while True:
         y -= 30
     else:
         y += 30
+
     position.append((x, y))
-    position.pop(0)
+
+    if
+    else:
+      position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去