save project

snake.py

-import pygame
-form pygame inport locals
-# 初始化pygame，为使用pygame做准备
-pygame.init()
-
-# 创建一个窗口
-screen=pygame.display.set_mode((660,480))
-while True:
-    for event in pygame.event.get():
-        if event.type==locals.QUIT:
-            evit()
+weather={'北京':8,'上海':15,'广州':20,'深圳':21}
+data=weather.pop("北京")
+print(data)
+print(weather)
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