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a.py

+dict_hero={'猴三':10,'猴一':21,'猴五':22,'猴队长':29,'猴七':30}
+
+# 提取猴队长的臂力值
+print(dict_hero['猴队长'])
+
+# 修改猴七的臂力值为32
+dict_hero['猴七']=32
+print(dict_hero)
+
+# 猴十的臂力值是25，请补充进字典
+dict_hero['猴十']=25
+print(dict_hero)
+
+if '猴五' in dict_hero:
+    print('猴五参加了臂力比赛')
+else:
+    print('猴五没参加臂力比赛')
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