from abc import ABC, abstractmethod

class Animal(ABC):
    def __init__(self, name, description):
        self.name = name
        self.description = description

    @abstractmethod
    def display_info(self):
        pass

class Dog(Animal):
    def __init__(self, name, description, breed, weight):
        Animal.__init__(self, name, description)
        self.breed = breed
        self.weight = weight

    def display_info(self):
        print("Name: ", self.name)
        print("Description: ", self.description)
        print("Breed: ", self.breed)
        print("Weight: ", self.weight)

class Bird(Animal):
    def __init__(self, name, description, color, weight):
        Animal.__init__(self, name, description)
        self.color = color
        self.weight = weight

    def display_info(self):
        print("Name: ", self.name)
        print("Description: ", self.description)
        print("Color: ", self.color)
        print("Weight: ", self.weight)

dog1 = Dog("Ass", "Doberman", "Doberman", 30)
dog2 = Dog("Asik", "Jamnik", "Terrier", 15)
bird1 = Bird("Papuga", "Parrot", "Green", 1)
bird2 = Bird("Kanarek", "Canary", "Yellow", 0.5)

dog1.display_info()
print()
dog2.display_info()
print()
bird1.display_info()
print()
bird2.display_info()