Introduction - If you have any usage issues, please Google them yourself
The main menu (menu) function will read the file information, input, display, count, add, modify, delete, search, sort, and function together, the user through the operations related to selecting one of the function call this function, the completion of data processing. Call the main menu Menu () function in the main function, the completion of the operation. By using an intermediate function, the main function is connected with each function function, which not only makes the programming language concise, clear and easy to understand, but also more night in the function realization.