功能齐全的学生成绩管理系统，可以输入成绩，计算总分和平均分，按成绩降序查看，按名字升序查看，按学号升序查看，根据学号进行查找，统计分析成绩，列出成绩，将成绩写入txt文件，读取txt文件信息。-

Full-featured student achievement management system, you can enter scores, calculate the total score and the average score, according to results in descending order to view, by name Ascending View, View by student number in ascending order, based on student number lookup, statistical analysis results, the results are listed in the txt file write performance, read txt file information.