对顺序存储的线性表进行一些操作。主要包括：各种位置的插入、删除操作、显示数据、查找、更新、统计以及学生数据文件的读写操作等。要求线性表采用类的定义-The linear sequence of storage on some operating table. Include: a variety of locations to insert, delete operation, display data, search, updates, statistics, and student data