auto save

demo.py

+#import random   # 常用的导入模块方法(之前用的)
+from random import randint
+
+#num = random.randint(30,100)
+num = randint(30,100)
+print(num)
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snake.py

 import pygame
 import pygame
+from pygame import locals
 
 
 # 初始化pygame，为使用pygame做准备
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
 
 
 # 创建一个窗口
 # 创建一个窗口
 pygame.display.set_mode((660,480))
 pygame.display.set_mode((660,480))
+
+while True:
+    for event in pygame.event.get():
+        print(event)
+        if event.type == locals.QUIT:
+            exit()
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