save project

snake.py

@@ -4,6 +4,10 @@ from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+food = pygame.image.ioad('apple.png')
+
 # 创建一个窗口
 screen = pygame.display.set_mode((660,480))
 while True:
@@ -11,3 +15,4 @@ while True:
         print(event)
         if event.type == locals.QUIT:
             exit()
+    screen.blit(background,(0,0))
\ No newline at end of file