feat: Add Catory Method pattern with Animal sound example

Author: ParsaSoroush

Design-Patterns/Creational/Factory Method/Parsa-Soroush/Animal.py

@@ -0,0 +1,47 @@
+from abc import ABC, abstractmethod
+
+class Animal(ABC):
+    @abstractmethod
+    def make_sound(self):
+        pass
+
+
+class Dog(Animal):
+    def make_sound(self):
+        print("Dog: Woof woof!")
+
+
+class Cat(Animal):
+    def make_sound(self):
+        print("Cat: Meow meow!")
+
+
+class AnimalTrainer(ABC):
+
+    @abstractmethod
+    def make_animal(self) -> Animal:
+        pass
+
+    def teach_to_speak(self):
+        animal = self.make_animal()
+        animal.make_sound()
+
+
+class DogTrainer(AnimalTrainer):
+    def make_animal(self) -> Animal:
+        return Dog()
+
+
+class CatTrainer(AnimalTrainer):
+    def make_animal(self) -> Animal:
+        return Cat()
+
+
+if __name__ == "__main__":
+    print("Dog Trainer:")
+    dog_trainer = DogTrainer()
+    dog_trainer.teach_to_speak()
+
+    print("\nCat Trainer:")
+    cat_trainer = CatTrainer()
+    cat_trainer.teach_to_speak()