* Class is collection of attribut and method

* All class of python derived from Object class by default

* Class name must be start with Capital latter

class Classname(object): def __init__(self): self.variable_name=value def method_name(self): //body of metho

This methos is used to initialize the varibles.This is a special method. We do not call this method explicitly. It will automatically call as a construtor.

Self is a variable which refers to current class instance/object

* This class name can be any valid identifier * It can't be Python reserve word. * A valid class name starts with a letter, followed by any number of letter, number or underscores * A Class name generaly start with capital letter.

* Object is class type variable or class instance. To use a class, we should create an object to class

Syntax:- object_name =class_name() object_name =class_name(arg)

call variable and method of object of class object_name.variable_name object_name.method_name()

: Class : Object : Abstraction : Encapsulation : Inheritance : Polymorphism