小通讯录本程序的功能是为用户提供简单的通讯录进行管理，通过该程序存储联系人信息，提供关键字（只能是英文关键字进行查找）查找功能，可以对数据进行修改、删除、添加等操作-Small address book feature of this program is to provide a simple address book for users to manage, store contact information through the program to provide keywords (