save project

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
 screen=pygame.display.set_mode((660,480))
+
+blackground=pygame.image.load('bg.png')
+right=pygame.image.load('right.png')
+food=pygame.image.load('apple.png')
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
-            exit()
\ No newline at end of file
+            exit()
+    
+    #将背景画上
+    screen.blit(blackground,(0,0))
+    #将蛇的头画上
+    screen.blit(right,(240,120))
+    #将苹果画上
+    screen.blit(food,(360,300))
+    #刷新
+    pygame.display.update()
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