class Albatross(object):
    """A bird with a flight speed exceeding that of an unladen swallow.
    Attributes:
        flight_speed     The maximum speed that such a bird can attain.
        nesting_grounds  The locale where these birds congregate to reproduce.
    """
flight_speed = 691
nesting_grounds = 'Throatwarbler Man Grove'
How to document class attributes in Python?