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. > Test Robustness of Invalid Command added to the system. > Unknown command! > Unknown command! > Student M added to the system. > Unknown command! > Unknown command! > Unknown command! > Success! Test Robustness of Invalid Command is borrowed by Student M. > Success! The following book has been returned: 0 Test Robustness of Invalid Command > Unknown command! > Unknown command! > Exit the system!
JOJ Answer
Welcome to the library management system, please type your commands. > Test Robustness of Invalid Command added to the system. > Unknown command! > Unknown command! > Student M added to the system. > Unknown command! > Unknown command! > Unknown command! > Success! Test Robustness of Invalid Command is borrowed by Student M. > Success! The following book has been returned: 0 Test Robustness of Invalid Command > Unknown command! > Unknown command! > Exit the system!