为宿舍管理人员编写一个宿舍管理查询软件，采用交互工作方式，可以对数据文件按关键字（姓名、学号、房号）进行排序或查询。

-For the dormitory management staff to prepare a dormitory management query software, the use of interactive work, you can data files by keyword (name, student number, room number) to sort or query.