auto save

snake.py

 import pygame
-from pygame import locals
 
 # 初始化pygame，为使用pygame做准备
 pygame.init()
-background
 
 # 创建一个窗口
-a=pygame.display.set_mode((660,480))
+pygame.display.set_mode((660,480))
 while True:
-    for sb in pygame.event.get():
-        if sb.type == locals.QUIT:
-            exit()
\ No newline at end of file
+    for event in pygame.event.get():
+        if event type==locals.QUIT:
\ No newline at end of file