Introduction - If you have any usage issues, please Google them yourself
Learn and become familiar with dos function calls to achieve human-computer dialogue. 1 After the procedures, first ask the name (2) requires the user to type the answer 3 asks the class 4 requires the user to type the answer again 5 carriage return line . 6 shows the names and classes 7 If you answer y, exit program otherwise, it returns 1.