题目：学生证管理程序 设计一个学生证管理程序。该程序应该具有下列功能： (1)录入某位学生的学生证信息(学生证应该包含的信息请参看自己的学生证) (2)给定学号,显示某位学生的学生证信息 (3)给定某个班级的班号,显示该班所有学生的学生证信息 (4)给定某位学生的学号,修改或删除该学生的学生证信息 (5)提供一些统计各类信息的功能。-Topics: student card management program to design a student card management procedures. The program should have the following functions: (1) entry of a student' s student card (student ID card should contain information see their own student ID)　(2) for a given student number, show a student' s student ID card　(3) display of all students in the class to the class given a class number, student ID card information　(4) modify or delete the student' s student ID card information　(5) to provide some statistics to the school given a student number, various types of information functions.