Python OOPs Complete SeriesMind map · Lesson 7 of 8

OOP in Python: Class and Object… – Mind Map

Everything this lesson covers — Introduction to OOP, Class Definition, Object Creation, Class Components, Attribute Types and self and __init__ — in one visual map. Click any topic to open it, or download the full map as an image for revision.

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Mind map

Python OOP: Class and Object Concepts

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OOP in Python: Class and Object…: lesson notes

01Introduction to OOP
- What is OOP?
  - Solves problems of procedural programming
- Class and Object overview
  - First concepts in OOP
02Class Definition
- Class as a blueprint
  - Template for objects
  - Used to create objects
  - Organizes related data and behavior
- Class syntax
  - class keyword
  - className:
  - # class body
- On-screen example
  - class Student:
  - name = "CodeWithMunnaX"
  - age = 24
  - def study(self):
  - print("Stduying...")
03Object Creation
- Object as an instance
  - Actual instance created from a class
  - One class can create many objects
- Object creation syntax
  - object_name = ClassName()
- On-screen example

s1 = Student()
s1.name -> "CodeWithMunnaX"
s1.age -> 24
s1.study() -> "Stduying..."

04Class Components

Attributes/Variables
- Piece of data or variable
- Belongs to class or object
- Accessed using dot operator
Methods
- Behaviors or functions
Constructor
- __init__ special method
OOP Properties
- Encapsulation, Inheritance
- Polymorphism, Abstraction

05Attribute Types

Class Attribute
- Belongs to class itself
- Shared by all objects
- One common value for all objects
- Example: class IPL: name = "CSK"
Instance Attribute
- Belongs to a particular object
- Different value for each object
- Each object has its own value
- Accessed using self
- Example: self.country = country

06self and init

self keyword
- Reference to the current object
- Used to access instance attributes
- Not mandatory to be named self
__init__ constructor
- Special method
- Automatically called when object is created
- Used to initialize instance attributes
- Example: def __init__(self, name, age):

OOP in Python: Class and Object… – Mind Map

Python OOP: Class and Object Concepts

OOP in Python: Class and Object…: lesson notes

01Introduction to OOP

What is OOP?

Class and Object overview

02Class Definition

Class as a blueprint

Class syntax

On-screen example

03Object Creation

Object as an instance

Object creation syntax

On-screen example

04Class Components

Attributes/Variables

Methods

Constructor

OOP Properties

05Attribute Types

Class Attribute

Instance Attribute

06self and __init__

self keyword

__init__ constructor

06self and init

init constructor