电子学籍管理，基于数组和调用函数。首先输入学生信息，然后根据姓名或者学号可以查询，退学情况、总成绩排名，平均成绩排名，各门课程平均成绩，最高分，最低分均可以计算-Electronic school management, based on the array and the calling function. First input student information, then you can query by name or school, drop out, the total sco