Introduction - If you have any usage issues, please Google them yourself
Program Description: This program is a simple library management system, the book is divided into add, browse books and books delete all three functions. Enter 1 to add a new book, the title of each input, after ISDN, price and author, namely the addition is complete. Enter the two can browse all of the books. Enter 3 to remove a book, enter the line number you want to delete, you can delete the row, if you enter the line number is the last line, which deleted.