设计出通讯录管理系统。要求如下所述：

 　　建立通讯录信息，信息至少包含编号、姓名、年龄、电话、通讯地址、电子邮箱等；；

 　　能够提供添加、删除和修改通讯录信息的功能；

 　　能够提供按姓名或电话等查询；

 　　将通讯录保存在文件中；

 　　能够按表格方式输出通讯录信息。

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Design a contact management system. The requirements are as follows:

　create an address book information, the information includes at least number, name, age, phone number, address, e-mail, etc.　

　can provide add, delete and modify contacts information functions

　offer by name or telephone inquiries

　The contacts saved in the file

　can press the tabular output directory information.