用户管理功能，主要是删除用户信息和修改用户基本信息；

The function of user managing is to delete user information mainly and revises the fundamental user information.

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要求用户提供一些基本信息并且简单地将其返回，而不进行任何其他操作。

You ask the user for some basic information and simply repeat it back, without any other operations.

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需要存储用来识别用户的基本信息。

You need to store basic information identifying the user.

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