i need this dummied down please.

73 Exerelse 5-2 Add validation to the Guess the 1. Opee the groject when the application crathes: validate the number that the user enters 4. In the while loop of the main0 anebod, oxde a try block around the uatemene in the wes the parselnto meihad ro get albe number entered by the user. Then, 5. Add code to the cath block chat displyys an error message and uses a Add code to be cakth block that doplays an erroe message and use satement to jump to the beeinning of the while loop. 6. Teat the application by entering an imalid namber. When you do that, the Iesplicacion should disploy a sect-friendly message and prompt you to try aggain