Factory ???? ?????? ??? ???? ?? ?? ???? ??? ?? ?? ???? ??????.

??? ??? ????? ??????? ?? ?? ???? ??? ????? ? ? ????. ?? ???? ??? ?? ??? ?? ?? ???(Simple Factory)? ??? ???(Factory Method) ??? ??? ?? ?? ???????.

??? ??? ??

?? ????? ? ?? ??? ??? ???? ???? ???? ??? ?????. ? ?? ????? ??? ??? ?? ??? ??? ???? ??? ???. ?? ?????? ???? ???? ?????? ??? ??? ???? ?? ??? ??? ?????. ? ??? ?? ???? ???? ??? ?? ??? ? ????.

from abc import ABC, abstractmethod

class Animal(ABC):
    @abstractmethod
    def make_sound(self):
        pass

class Dog(Animal):
    def make_sound(self):
        print("Bhow Bhow!")

class Cat(Animal):
    def make_sound(self):
        print("Meow Meow!")

? ???? ?? ?? ??? ??? ???? ???? ? ????

## client code
if __name__ == '__main__':
    animal_type = input("Which animal should make sound Dog or Cat?")
    if animal_type.lower() == 'dog':
        Dog().make_sound()
    elif animal_type.lower() == 'cat':
        Cat().make_sound()

?? ???? ? ??? ???? Simple Factory Pattern??? ??? ? ?? ? ??? ????. ?? ?? ????? ???? ? ??? ?????? ? ?? ?? ?? ???? ???? ???? ???. ?? ?? 10?? ?? ?? ?? ???? ?? ???? ??? ???. ??? ???? ???? ?? ??? ??? ?? ?? ???? ? ????.

??? Simple Factory ??? ??? ?????? ??? ???? ????? ?? ?? ???? ?????? ????? ???? ?????.

Simple Factory ??? ???? ??? ????? ?? ?? ??? ???? ???? ??? ???? ????? ?? ???.

...
...
class AnimalFactory:
    def make_sound(self, animal_type):
        return eval(animal_type.title())().make_sound()

? ?? ??? ???? ????? ??? ??? ????.

## client code
if __name__ == '__main__':
    animal_type = input("Which animal should make sound Dog or Cat?")
    AnimalFactory().make_sound(animal_type)

????? Simple Factory ??? ?????? ???? ?? ??? ???? ??? ???? ???? ????.

??? ??? ??

? ?? ??? ??(?? ???)? ???? ???? ??? ??? ????, ? ??? ???? ???? ?? ??? ??? ??? ??? ??? ????? ?? ?? ???? ??? ??? ??? ?? ??? ??? ??? ?????. ??? ?? ??? ??? ??? ???? ????.

??? ??? ????? ??? ???? ?? ?? ???? ?????? ?????, ?? ??? ???? ??? ?? ?????? ???? ???? ?? ???? ??? ??????.

??? ??? ??? ?? ????

1. Creator: Creator? ?? ??? ?? ????????. ??? ???? ???? Factory Method? ?????. Creator? ?? ??? ?? ?????? ????? ???? ???? ????? ????.

2. Concrete Creator: Concrete Creator? Creator? ?? ??????. ?????? ???? ?? ???? ???? ??? ???? ?????. ?, ??? Concrete Creator? ?? ??? ??? ????? ?????.

3. ??: ??? ? ?? ?? ??? ?? ????????. ??? ???? ???? ??? ??? ?????. ??? ??? ?? ?????? ????? ???? ??? ?? ? ????.

4. ???? ??: ???? ??? ??? ?? ??????. ?? ??? ?? ??? ?????. ? ???? ??? ??? ???? ??? ? ?? ??? ??? ?????.

??? ??? ??? ??? ???? ??? ??? ?????.

1??: ?? ??

from abc import ABC, abstractmethod

class Animal(ABC):
    @abstractmethod
    def make_sound(self):
        pass

class Dog(Animal):
    def make_sound(self):
        print("Bhow Bhow!")

class Cat(Animal):
    def make_sound(self):
        print("Meow Meow!")

2??: ???? ?? ?????

## client code
if __name__ == '__main__':
    animal_type = input("Which animal should make sound Dog or Cat?")
    if animal_type.lower() == 'dog':
        Dog().make_sound()
    elif animal_type.lower() == 'cat':
        Cat().make_sound()

3??: ??? ??

...
...
class AnimalFactory:
    def make_sound(self, animal_type):
        return eval(animal_type.title())().make_sound()

4??: ???? ????? ??

## client code
if __name__ == '__main__':
    animal_type = input("Which animal should make sound Dog or Cat?")
    AnimalFactory().make_sound(animal_type)

?????? ??? ?? ???? ??? ? ????.

from abc import ABC, abstractmethod

class Animal(ABC):
    @abstractmethod
    def make_sound(self):
        pass

Factory Method Pattern ???? ???? ?????? ???? ???? ??? ?? ??? ?? ??? ??? ? ????.

??? ??? ??? ??

1. ??: ????? ??? ???? ????? ???? ???? ??? ?? ???? ??????.

2. ???: ?????? ?? ?? ???? ??? ?? ?? ???? ???? ??? ??????. ?? ??? ??? ConcreteProduct ???? ?? ?????(??)? ???? ???.

3. ???: ?? ??? ???? ??? ??? ?? ???? ??? ? ?? ??? ??? ?????.

??

??? ??? ??? ??? ?? ?? ?? ? ???? ????? ??? ???? ???? ??? ?????. ?? ??? ????? ???? ?????? ??? ??? ?????.

?????, ?????, ???? ??? ? ????? ???? ? ??? ??? ????. ?? ?? ???? ???? ?? ??? ??? ? ????.

??? ??????? ???? ?? ??? ???? ??? ???? ???? ???? ???. ??? ??? ??? ???? ???? ????? ???? ???? ???? ????? ?? ??? ? ????.

??? ?????!!!

? ??? ??? ? ??? ??? ?? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!