def first_last_name(full_name):
    """ Returns a tuple with the first and last name.

    :param full_name: (str) Contains a first and last name seperated by a space.
                            There is only a single space in the full_name.
    :return: (tuple) Tuple containing first and last names
    """
    return tuple(full_name.split(" "))


# Leave this part for easily testing your function
print('"Billie Holiday"  first_last_name returns', first_last_name("Billie Holiday"))
print('"James Brown"  first_last_name returns', first_last_name("James Brown"))