python create a new class instance inside same class

instance_creator.py

import copy


# see: https://stackoverflow.com/questions/13260557/create-new-class-instance-from-class-method
class Animal(object):
    request_id = "Original_Animal"

    def reproduce(self):
        """
        gives birth to new instances of Animal
        """
        print("Original_Animal_id: ", id(self))

        new_animal_A = self.__class__()
        new_animal_A.request_id = "Animal_A"

        new_animal_B = type(self)()
        new_animal_B.request_id = "new_animal_B"

        new_animal_C = copy.deepcopy(self.__class__())
        new_animal_C.request_id = "new_animal_C"

        self.printer()
        new_animal_A.printer()
        new_animal_B.printer()
        new_animal_C.printer()

    def printer(self):
        print()
        print("id_of_self:", id(self))
        print("request_id: ", self.request_id)


a = Animal()
a.reproduce()

res.md

python instance_creator.py

Original_Animal_id:  4362149000

id_of_self: 4362149000
request_id:  Original_Animal

id_of_self: 4362149056
request_id:  Animal_A

id_of_self: 4362149168
request_id:  new_animal_B

id_of_self: 4362981272
request_id:  new_animal_C