Python OOP Full Course |Chapter2.2:Constructors and Instances |Object Oriented Programming in Python

Published: 18 March 2026
on channel: D-Code It
40
8

In the previous video, we learned the basics of Classes and Objects in Python. But real-world programs require objects to store different data, not the same values for every object.

In this video, we take the next step in Object-Oriented Programming (OOP) by learning about Constructors and Instance Variables in Python.

You’ll understand how the special __init__() method works, why the self keyword is important, and how instance variables allow each object to maintain its own unique data.

By the end of this lesson, you’ll be able to create Python classes that initialize objects properly and store data specific to each instance.

What you'll learn in this video

• What a constructor is in Python
• The purpose of the __init__() method
• Understanding the self keyword
• What instance variables are
• How objects store unique data
• Creating objects using constructors

Code Challenge

Create a BankAccount class that stores:

account_holder

balance

Use a constructor to initialize these values and create multiple account objects with different data.

Python OOP Series

Classes and Objects

Constructors and Instance Variables

Methods in Classes

Encapsulation

Inheritance

Tags

#Python #PythonProgramming #OOP #LearnPython #PythonForBeginners #ObjectOrientedProgramming #Coding


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