Define a function named get_yes_or_no that consumes a string containing the question to which the user is responding. The function should repeatedly ask the user to enter either 'yes' or 'no' in...

Define a function named get_yes_or_no that consumes a string containing the
question to which the user is responding. The function should repeatedly
ask the user to enter either 'yes' or 'no' in response to the question until
the user enters one of these values. The function should return the users response.
Test your function thoroughly. You do not need assertEqual statements for this function.

this is for python.