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. > book1 added to the system. > book12 added to the system. > book123 added to the system. > book234 added to the system. > name1 added to the system. > 1 name1 > The customer ID already exists. > 1 name1 > The customer ID already exists. > 1 name1 > name2 added to the system. > 1 name1 2 name2 > name3 added to the system. > 1 book1 on shelf 12 book12 on shelf 123 book123 on shelf 234 book234 on shelf > 1 name1 2 name2 3 name3 > Exit the system!
JOJ Answer
Welcome to the library management system, please type your commands. > book1 added to the system. > book12 added to the system. > book123 added to the system. > book234 added to the system. > name1 added to the system. > 1 name1 > The customer ID already exists. > 1 name1 > The customer ID already exists. > 1 name1 > name2 added to the system. > 1 name1 2 name2 > name3 added to the system. > 1 book1 on shelf 12 book12 on shelf 123 book123 on shelf 234 book234 on shelf > 1 name1 2 name2 3 name3 > Exit the system!