auto save

snake.py

 import pygame
+from pygame
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
-# 创建一个窗口
-??
\ No newline at end of file
+screen=pygame.display.set_mode((800,600))
+
+
+background =pygame.image.load("bg.png")
+right = pygame.load("right.png")
+food = pygame.load("apple.png")
+# 创
+screen=pygame.display.set_mode((800,600))
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+                exit()
+x+=30
+screen.bilt