When creating a menu system, you should display an error message, as a form of data validation, if the user does not enter a valid choice (including the exit choice).

Question

Quizplus · Accepted Answer

Displaying an error message for invalid input, including the exit choice, is a good practice in data validation. It informs the user of the mistake and guides them towards making a correct choice, enhancing the user experience and preventing potential errors in the program's execution.

When Creating a Menu System, You Should Display an Error