i'm absolutley garbage at python 3. this may not be a hard question but ive tried for hours to create a solution to this question and cant make a functioning code. i've used while and if statements.
"As the user enters passenger details such as e-ticket number, full name, and destination, the program validates the user input. If an invalid input is entered,the program displays an appropriate error message and asks the user to re-enter invalid values until each entry is correct"