auto save

p1205.py

 dic_hero = {'赵雄':0,'关羽':40,'刘备':50}
-print('修改前：',dic_hero)
-dic_hero['关羽'] = 100
-print('修改后：',dic_hero)
-print(dic_hero[0])
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+#增加键值对'张飞':60
+dic_hero['张飞'] = 60
+print(dic_hero)
+
+#查找刘备是否在字典中，如果在，打印刘备的臂力值
+if '刘备'in dic_hero:
+    print(dic_hero['刘备'])
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