8 lines
275 B
Python
8 lines
275 B
Python
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contacts = {
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'name':'张三',
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'sex':"男",
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'salary':'8000'
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}
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print(contacts.get('name')) # 按键访问值
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print(contacts.get('age')) # 按键访问值，键不存在返回None
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print(contacts.get('age','默认值')) # 按键访问值，键不存在返回默认值
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