python object variable
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python is an object-oriented programming language, and understanding object variables is crucial for effective programming. in this tutorial, we'll explore the concept of object variables, their usage, and provide code examples to illustrate their functionality.
object variables are variables that belong to an instance of a class in python. in object-oriented programming, a class is a blueprint for creating objects, and object variables are attributes or properties that store data within an object.
let's start by creating a simple class with object variables:
in this example, the car class has object variables such as make, model, year, and speed. the _init_ method is a special method called a constructor, which initializes the object variables when an instance of the class is created.
you can access object variables using dot notation (object.variable):
this will output:
you can modify object variables by assigning new values:
object variables are often used in conjunction with methods. in our example, the accelerate and brake methods modify the speed object variable:
this will output:
understanding object variables is fundamental to working with classes and objects in python. they allow you to store and manipulate data within instances of a class, providing a powerful and flexible way to model real-world entities in your programs.
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