Introduction - If you have any usage issues, please Google them yourself
Second: define an order table and a list of student information (numbers, titles, prices) so that they have the following functions:
(1) read the book information from the file;
(2) obtain the book information according to the book location;
(3) search the price and return the title of the book;
(4) return the appropriate book information according to the specified location;
(5) given a book information, insert to the specified location in the table;
(6) delete the book record at the specified location;
(7) the number of books in the statistical table.
(8) output book information.