auto save

snake.py

 import pygame
+from pygame import locals
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
-# 创建一个窗口
-??
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+#载入图片
+background = pygame.image.load('bg.png')#背景图
+right = pygame.image.load('right.png')#头 朝右
+food = pygame.image.load('apple.png') #苹果
+body = pygame.image.load('body.png')
+#创建一个窗口
+screen = pygame.display.set_mode((600, 480))
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+           #接受到退出事件后退出程序 
+            exit()
+
+    #将背景图画上去
+    screen.blit(background, (0,0))
+    #将蛇头图画上去
+    screen.blit(right , (240,120))
+    #将果实图画上去
+    screen.blit(food , (360,300))        
+    screen.blit(body, (210,120))
+    screen.blit(body, (180,120))
+    screen.blit(body, (180,90))
+    #刷新画面
+    pygame.display.update()
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v.py

+from random import randint
+a = randint(2,5)
+print(a)
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