my first commit

project_template/project_zoo/main.py

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+# # import abstract base class module
+# # import abstractmethod module
+
+
+from abc import ABC, abstractmethod
+
+
+# create an abstract base class Animal
+class Animal(ABC):
+    def __init__(self, name, age):
+        self._name = name
+        self._age = age
+
+    @abstractmethod  # decorator
+    def speak(self):
+        pass
+
+
+class Cat(Animal):
+    def speak(self):
+        print(f"{self._name}, the cat, says: Meow!")
+
+
+class Dog(Animal):
+    def speak(self):
+        print(f"{self._name}, the dog, says: Woof!")
+
+
+class Zoo:
+    def __init__(self):
+        self.animals = []
+
+    def speak_all(self):
+        for animal in self.animals:
+            animal.speak()
+
+
+class Zookeeper:
+    def __init__(self, zoo):
+        self.zoo = zoo
+
+    def add_animal(self, animal):
+        self.zoo.animals.append(animal)
+        print(
+            f"Added {animal._name}, a {animal.__class__.__name__.lower()}, to the zoo."
+        )
+
+
+print("Creating a zoo!")
+my_zoo = Zoo()
+
+print("Creating a zookeeper!")
+zookeeper = Zookeeper(my_zoo)
+
+print("Creating animals!")
+cat = Cat("Whiskers", 3)
+dog = Dog("Rover", 5)
+
+print("Adding animals to the zoo via the zookeeper!")
+zookeeper.add_animal(cat)
+zookeeper.add_animal(dog)
+
+print("The animals speak!")
+my_zoo.speak_all()