编写程序，建立一个通讯录，存放有姓名、电话号码、住址等，具备输入、查找、添加、修改及删除等功能。具备菜单功能或详细的提示功能，至少具备数据输入、输出、查询、删除、文件保存、文件读入中的两项功能。能力强的同学可以设计表格化输出。熟练掌握文件或结构体的操作，程序中至少要有一个自定义结构体。总程序量不少于100行，输出数据要进行适当美化。程序要有详细的注释及必要的说明文档 -Program, create an address book, store name, phone number, address, etc., have input, search, add, modify, and delete functions. Menu function or prompts, at least have the data input and output, query, delete, save the file, the file is read into the two functions. The ability of the students can design tabular output. Master file or the operation of the structure, the program must have at least a self-defined structure. The total program amount of not less than 100 lines, the output data is to be properly beautification. Program should have detailed notes and documentation necessary