save project

snake.py

 import pygame
-
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
@@ -7,4 +7,6 @@ pygame.init()
 screen = pygame.display.set_mode((660,480))
 
 while True:
-    pass
\ No newline at end of file
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            exit()
\ No newline at end of file