auto save

snake.py

 import pygame
 from pygame import locals
-
 # 初始化pygame，为使用pygame做准备
 pygame.init()
+#加载背景、蛇头、苹果
+bg =pygame.image.load('bg.png')
+head = pygame.image.load('right.png')
+apple = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+#创建舞台
+screen = pygame.display.set_mode((660,480))
 
-# 创建一个窗口
-screen = pygame.display.set_mode((800,600))
-#导入所有的素材
-background = pygame.image.load('bg.png') #背景
-right = pygame.image.load('right.png') #头
-food = pygame.image.load('apple.png') #食物
-body = pygame.image.load('body.png') #身体
-#实现一直显示窗口
 while True:
     for event in pygame.event.get():
-        if event.type==locals.QUIT: #如果点击叉号就退出程序
+        if event.type == locals.QUIT:
             exit()
-    #背景
-    screen.blit(background,(0,0))
-    #头
-    screen.blit(right,(240,120))
-    #身体
-    screen.blit(body,(210,120))
-    screen.blit(body,(180,120))
-    screen.blit(body,(180,90))
-    #食物
-    screen.blit(food,(360,300))
-    #刷新画面
-    pygame.display.update()
\ No newline at end of file
+
+    screen.blit(bg,(0,0))
+    screen.blit(head,(240,120))
+    screen.blit(apple,(360,300))
+    screen.blit(body,(,))
+    #刷新舞台
+    pygame.display.update()