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( dict_hero['孙五'] )
-dict_hero['王猛']=98
+if '王猛'in dict_hero:
+    dict_hero['李']=99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
 print(dict_hero)
 
-