Python OOP (Extends)

class Animal:
    def speak(self):
        print("Hewan berbicara")
        
class Mamal:
    def bicara(self):
        print("Hewan mengobrol")
        
class Dog(Animal, Mamal):
    def bark(self):
        print("Anjing menggonggong")
        
dog = Dog()
dog.speak()
dog.bark()
dog.bicara()