1.　　实现简单的学生情况管理系统。每个学生记录有下列数据项：学号、姓名、性别、年龄。使用散列表表示学生数据，并采用拉链法解决冲突。试设计一个系统，使之能方便的建立学生情况表，完成对学生情况表的插入、删除和查找。-1 simple case of student management system. Each student recorded the following data items: student number, name, gender, age. Said student data using a hash table, using zip method to solve the conflict. Design a system, so that it can facilitate the establishment of the students in the table, the students complete the table of the insert, delete and search.