create a modular Python application. Include a main function (and a top-level scope check), a function that will validate the device is on the network, and a function that prompts for, gets, validates, and returns the ipAddress. New for this assignment: include a validation check to make sure there are no letters in the IP address! {Modular in this assignment means use multiple functions all in one file. You don't need separate files for the functions.} The main.