
python - What is the purpose of the `self` parameter? Why is it needed ...
Using self is a design decision by python, not strictly mandatory from a language design point of view, to make explicit the instance object and distinguish instance variables from local variables.
self in Python class - GeeksforGeeks
Jul 11, 2025 · What is the Purpose of "self"? In Python, self is used as the first parameter in instance methods to refer to the current object. It allows methods within the class to access and modify the …
self in Python, Demystified - Programiz
The self keyword is used to represent an instance (object) of the given class. In this case, the two Cat objects cat1 and cat2 have their own name and age attributes.
Python self Parameter - W3Schools
Use self to access class properties: Note: The self parameter must be the first parameter of any method in the class. Why Use self? Without self, Python would not know which object's properties you want …
Self in Python Class - Analytics Vidhya
May 13, 2025 · The ‘self’ key in Python is used to represent the instance of a class. With this keyword, you can access the attributes and methods of a particular Python class.
Understanding "self" in Python Classes: A Complete Guide
May 21, 2025 · The concept of "self" is fundamental to Python‘s object-oriented programming, yet it often trips up both beginners and experienced developers. In this comprehensive guide, I‘ll walk you …
Mastering the `self` Keyword in Python — codegenes.net
Nov 14, 2025 · In Python, the `self` keyword plays a crucial role, especially when working with object-oriented programming (OOP). It might seem a bit confusing at first, but once you understand its …
self (argument) | Python Glossary – Real Python
In Python, self is a widely followed convention for naming the first argument in instance methods within a class. It represents the instance on which the method is being called, allowing access to instance …
Understanding `self` in Python Classes and Functions
Jan 21, 2025 · In Python, self is a reference to the instance of the class. When an instance of a class is created, Python automatically passes this reference to the instance methods of the class.
Why Python Uses 'Self' as Default Argument - GeeksforGeeks
Sep 20, 2025 · In Python, when defining methods inside a class, first parameter is always self. It is not a keyword, but a naming convention that plays a key role in Python’s object-oriented programming.