这个项目是关于学生成绩管理系统的实战项目，主要实现功能有：统计学生总分，按总分排序并输出，计算总平均分，找出最高分和最低分，统计每门课程通过的人数-This project is about actual student achievement management system project, the main implementation features are: statistics of students Total, according to Total sort and output to calculate the total average score, find the highest and lowest points, statistics for each course by the number of people