mydict = {'a': {'name': 'Marco', 'gender': 'm', 'age': 38, 'info': 'teacher musician'}
'b': {'name': 'Daniela', 'gender': 'f', 'age': 28, 'info': 'student music'}
'c': {'name': 'Maria', 'gender': 'f', 'age': 25, 'info': 'doctor dance whatever'}}
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如何筛选年龄在30岁以下且“信息”中包含“音乐”字样的记录?结果应该是这样的:
newdict = {'b': {'name': 'Daniela', 'gender': 'f', 'age': 28, 'info': 'student music'}}
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