save project

snake.py

@@ -4,7 +4,7 @@ from pygame import locals
 pygame.init()
 pygame.init()
 background=pygame.image.load('bg.png')
 background=pygame.image.load('bg.png')
 # 创建一个窗口
 # 创建一个窗口
-pygame.display.set_mode((660,480))
+screen=pygame.display.set_mode((660,480))
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         print(event)
         print(event)