Notes
This function is in beta test. Please help improve it in the issues
here.
Your Answer
Welcome to the library management system, please type your commands. > There is no book in the system. > There is no customer in the system. > book1 added to the system. > The book ID already exists. > book2 added to the system. > 1 book1 on shelf > name1 added to the system. > The customer ID already exists. > name2 added to the system. > Success! book1 is borrowed by name1. > 1 book1 borrowed > Fail! The book was borrowed by another customer. > 1 book1 borrowed 2 book2 on shelf > Book borrowed by name1: 1 book1 > Success! The following book has been returned: 1 book1 > Fail! The book has not been borrowed. > Unknown command! > Exit the system!
JOJ Answer
Welcome to the library management system, please type your commands. > There is no book in the system. > There is no customer in the system. > book1 added to the system. > The book ID already exists. > book2 added to the system. > 1 book1 on shelf > name1 added to the system. > The customer ID already exists. > name2 added to the system. > Success! book1 is borrowed by name1. > 1 book1 borrowed > Fail! The book was borrowed by another customer. > 1 book1 borrowed 2 book2 on shelf > Book borrowed by name1: 1 book1 > Success! The following book has been returned: 1 book1 > Fail! The book has not been borrowed. > Unknown command! > Exit the system!