假设每个学生信息包括学号、姓名和3门课程的考试分数。其中学号由四部分组成，每部分占两位，依次为院系代号、入学年号、班级号和顺序号。要求在从键盘输入学生数据时有较完整的输入引导。-Suppose each student information including student number, course name and three test scores. Student ID which consists of four parts, each part of the total 2, followed by faculty code, school era name, class number and serial number. Requested data from the keyboard when the students enter a more complete guide.