getvalidinput:

This function takes a message string question to be asked to the user as a parameter from the calling program.

It asks the user for a string input x which will be either a username or a password.

It checks if x comprise of lowercase English alphabetic characters by calling the islowerenglish function. As long as it is not, it prints out an error statement and asks the user for x again.

It sends back x as its result. write this code