save project

snake.py

-import pygame
+import pygame as pg
+from pygame import locals
 
 # 初始化pygame，为使用pygame做准备
-pygame.init()
+pg.init()
 
 # 创建一个窗口
-screen = pygame.display.set_mode((640,480),0,32)
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+screen = pg.display.set_mode((640,480),0,32)
+
+while True:
+    for event in pg.event.get():
+        if event.type == locals.QUIT:
+            exit()
+
+    
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