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. > Test1 added to the system. > 1 Test1 on shelf > The book ID already exists. > 1 Test1 on shelf > c1 added to the system. > 1 c1 > The customer ID already exists. > 1 c1 > Exit the system!
JOJ Answer
Welcome to the library management system, please type your commands. > Test1 added to the system. > 1 Test1 on shelf > The book ID already exists. > 1 Test1 on shelf > c1 added to the system. > 1 c1 > The customer ID already exists. > 1 c1 > Exit the system!