Multi-level Inheritance in python

 

class Animals:

    animalCategory1 = "vertebrates"

    animalCategory2 = "invertibrates"

class Pets(Animals):

    petCategory1 = "cats"

    petCategory2 = "dogs"

class Dog(Pets):

    @staticmethod

    def bark():        

        print("The dog barks")

a = Animals()

b = Pets()

c = Dog()

print(a.animalCategory2)

print(b.animalCategory2)

print(c.animalCategory2)

print(b.petCategory2)

print(c.petCategory2)

a.animalCategory1 = "mammals"

print(a.animalCategory1)