zoo_goods

class pet_goods:
    def __init__(self, name_of_shop):
        self.name_of_shop = name_of_shop

    def display_info(self):
        print("Зоомагазин", self.name_of_shop)

class pet_animals(pet_goods):
    def __init__(self, kind_of_animals):
        self.kind_of_animals=kind_of_animals
        
class pet_cats(pet_animals):
    def __init__(self, name_of_cats_breeds):
        self.name_of_cats_breeds=name_of_cats_breeds

class pet_dogs(pet_animals):
    def __init__(self, name_of_dogs_breeds):
        self.name_of_dogs_breeds=name_of_dogs_breeds

class pet_birds(pet_animals):
    def __init__(self, name_of_birds_breeds):
        self.name_of_birds_breeds=name_of_birds_breeds

class pet_rodents(pet_animals):
    def __init__(self, name_of_rodents_breeds):
        self.name_of_rodents_breeds=name_of_rodents_breeds

class pet_items(pet_goods):
    def __init__(self, kind_of_items):
        self.kind_of_items=kind_of_items

class pet_stern(pet_items):
    def __init__(self, name_of_stern):
        self.name_of_stern=name_of_stern

class pet_drus(pet_items):
    def __init__(self, name_of_drus):
        self.name_of_drus=name_of_drus

class pet_implements(pet_items):
    def __init__(self, name_of_implements):
        self.name_of_implements=name_of_implements