def __init__(self, name, age, favorite_toy, is_pregnant=False):
    super().__init__(age, is_pregnant)
    self._name = name
    self._favorite_toy = favorite_toy
    print('DomesticMammal created')
def __init__(self, name, age, favorite_toy, is_pregnant=False):
    super().__init__(age, is_pregnant)
    self._name = name
    self._favorite_toy = favorite_toy
    print('DomesticMammal created')