What is a class in Python?

Before we learn about objects, let's first know about classes in Python. A class is considered as a blueprint of objects. We can think of the class as a sketch (prototype) of a house. It contains all the details about the floors, doors, windows, etc. Based on these descriptions we build the house. House is the object.

What is class mechanism in Python?

Each class instance can have attributes attached to it for maintaining its state. Class instances can also have methods (defined by its class) for modifying its state. Compared with other programming languages, Python’s class mechanism adds classes with a minimum of new syntax and semantics.

Why do we need classes in Python?

Built-in and user-defined functions have their own classes/types: When we use additional Python libraries, such as pandas or NumPy, we can create objects of the classes/types related only to those libraries: However, the real benefit of classes in Python is that we can create our own and use them to solve specific tasks.

How to create class methods in Python?

You can create class methods using the @classmethod decorator. Providing your classes with multiple constructors is one of the most common use cases of class methods in Python.