设计一个学生作业完成情况管理程序。假设某门课程一学期要留10次作业，每次老师要进行批改，给出分数后还要进行登记。学期期末要根据每次作业的成绩计算出最终的平时成绩（满分100）。-students design an operational completion of the management process. Assuming a certain courses a semester to stay 10 operations, each teacher for correcting, and scores are given after they register. Under the semester to the end of each operating results calculate the final results in peacetime (full score 100).