class Things:
    pass

class Animate(Things):
    pass

class Inanimate(Things):
    pass

class Animals(Animate):
    def move(self):
        print('Двигается!')

class Giraffes(Animals):
    def __init__(self, h):
        self.height = h
    def eat_leaves(self):
        print('Ем листья!')

class Cats(Animals):
    def myau(self):
        print('Мяу!')

Samson = Giraffes(5)
Samson.height = 10
print(Samson.height)

Maks = Cats()
Maks.myau()