What is __init__ in Python? Constructors in Python |
Welcome back to PythonWithHarsh! In this video, we dive deep into one of the most important concepts of Object-Oriented Programming (OOP) in Python: The Constructor (`__init__`).
WHAT YOU WILL LEARN IN THIS VIDEO:
1. What is a Constructor?
A Constructor is a special method in Python that automatically executes whenever a new object is created from a class. It is used to initialize the state or attributes of an object.
2. Understanding the `__init__` Method
In Python, the `__init__` method acts as the constructor. We explain why it starts and ends with double underscores (Dunder method) and how it simplifies object initialization.
3. The Role of `self` Parameter
Learn why `self` is essential in Python classes. It acts as a reference to the current object instance, allowing us to bind variables to specific objects.
4. Types of Constructors
Default Constructor: Created automatically by Python when no explicit constructor is defined.
Parameterized Constructor: Takes custom arguments to initialize objects with specific data.
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