save project

quiz.py

 # 直接运行以下代码，说说你的发现：
-list_hero=['赵一',30,'丁二',37,'孙五',52,'王猛',89,'周亮',98]
 dict_hero = {'赵一':30,'丁二':37,'孙五':52,'王猛':89,'周亮':98}
-print(len(list_hero))
-print(len(dict_hero))
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+print((dict_hero)['赵一'])
+dict_hero['丁二']=122
+print((dict_hero)['丁二'])
\ No newline at end of file