设计一个学生信息管理系统。要求：

学生信息包括：学号，姓名，年龄，性别，出生年月，地址，电话，E-mail等。试设计一学生信息管理系统，使之能提供以下功能：

系统以菜单方式工作

学生信息录入功能（学生信息用文件保存）---输入

学生信息浏览功能---输出

查询、排序功能---算法

按学号查询

按姓名查询

学生信息的删除与修改

-Design a student information management system. Requirements: Student information includes: student number, name, age, sex, date of birth, address, telephone, E-mail and so on. Try to design a student information management system so that it can provide the following features: the menu system work the way student information into the function (the student information stored with the file)------ Enter student information browsing the output query, sorting--- algorithm for inquiry by school students by name query to delete and modify information