Classes and Objects in Python

At its core, Python is an object-oriented language. This means that almost everything in Python is treated as an object. But what exactly is an object? An object is a self-contained unit that encapsulates both data (attributes) and the functions (methods) that operate on that data. Objects can represent real-world entities or abstract concepts.

A class, on the other hand, serves as a blueprint for creating objects. It defines the structure and behavior that its objects will have. Think of a class as a cookie cutter, and objects as the cookies you make using that cutter. Each cookie has the same shape and properties, but they can have different flavors or variations.

 In the below PDF we discuss about Classes and Objects in Python in detail in simple language, Hope this will help in better understanding.


Creating Classes in Python:

Creating a class in Python is straightforward. You use the class keyword followed by the class name, and then define its properties and methods. Here’s a simple example of a class called Person:

class Person:

    def __init__(self, name, age): = name

        self.age = age

        def greet(self):

        return f”Hello, my name is {} and I am {self.age} years old.”

Creating Objects :

Once you’ve defined a class, you can create objects (also known as instances) of that class. Objects are created by calling the class as if it were a function. Here’s how you can create two Person objects:

person1 = Person("Alice", 30)
person2 = Person("Bob", 25)

Now, person1 and person2 are two distinct instances of the Person class, each with its own name and age attributes.

Related Question

A class in Python is a blueprint for creating objects. It defines attributes and methods that the objects created from the class will have.

An object is an instance of a class. It is a concrete instantiation of the class, with its own unique data and behavior.

Attributes are data members of a class that store information about the object. They are defined within the class and can be accessed using dot notation.

self is a reference to the instance of the class itself. It is the first parameter of every method in a class and is used to access and manipulate instance attributes.

A constructor is a special method in a class, typically named __init__, that is automatically called when an object is created. It is used to initialize object attributes.


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