python how to extend a class
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In Python, extending a class allows you to create a new class that inherits attributes and methods from an existing class. This is a fundamental concept in object-oriented programming (OOP) that promotes code reusability and organization. In this tutorial, we'll explore how to extend a class in Python with practical code examples.
Inheritance is a mechanism in OOP that allows a new class (called the subclass or derived class) to inherit properties and methods from an existing class (called the superclass or base class). The subclass can then extend or override the inherited attributes as needed.
The basic syntax for creating a subclass that extends a superclass is as follows:
Let's illustrate the concept with a practical example. Consider a Person class:
Now, let's create a subclass Employee that extends the Person class:
In this example:
Now, let's create instances of both the Person and Employee classes and see how they work:
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