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. > book12 added to the system. > book123 added to the system. > book234 added to the system. > The book ID already exists. > book245 added to the system. > 1 book1 on shelf 12 book12 on shelf 123 book123 on shelf 234 book234 on shelf 245 book245 on shelf > 123 book123 on shelf > 12 book12 on shelf > 1 book1 on shelf > There is no customer in the system. > 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. > book12 added to the system. > book123 added to the system. > book234 added to the system. > The book ID already exists. > book245 added to the system. > 1 book1 on shelf 12 book12 on shelf 123 book123 on shelf 234 book234 on shelf 245 book245 on shelf > 123 book123 on shelf > 12 book12 on shelf > 1 book1 on shelf > There is no customer in the system. > Exit the system!