> For the complete documentation index, see [llms.txt](https://pyml.aspires.cc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pyml.aspires.cc/chapter2/object-oriented.md).

# Object Oriented

Object-Oriented is also available in Python. Here is some simple code for illustrating OOP in Python.

```python
class Dog:
    species = "Canis familiaris"
    
    def __init__(self, name, age, breed):
        self.name = name
        self.age = age
        self.breed = breed

    def __str__(self):
        return f"{self.name} is {self.age} years old"

    def speak(self, sound):
        print(f"{self.name} says :{sound}")
        
if __name__ == '__main__':
    dogs = []
    dogs.append(Dog("Miles", 4, "Jack Russell Terrier"))
    dogs.append(Dog("Buddy", 9, "Dachshund"))
    dogs.append(Dog("Jack", 3, "Bulldog"))
    dogs.append(Dog("Jim", 5, "Bulldog"))
    dogs[2].speak("I am hungry!")
    print(dogs[1])
```

More about Object Oriented, please refer to COMP212 and COMP221.


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