(guest_list)
Assign guests to seats.

    :param guest_list: list - list of guest names for reservations.
    :return: dict - Default sized dictionary with guests assigned seats,
             and placeholders for empty seats.
Assign guests to seats.
Assign guests to seats .
def arrange_reservations(guest_list):
    """Assign guests to seats.

    :param guest_list: list - list of guest names for reservations.
    :return: dict - Default sized dictionary with guests assigned seats,
             and placeholders for empty seats.
    """

    pass
def arrange_reservations ( guest_list ) : pass