Day 36 Of Documenting My Learning Journey

Source: Dev.to

What I Did Today

• Learnt dunder (magic) methods in Python.

Magic Methods / Dunder Methods

Python provides many special methods whose names start and end with double underscores (__).
You can view the full list by running:

print(dir(object))

Below are two commonly used dunder methods:

__init__

The __init__ method allows you to initialize an object’s attributes when it is created.

class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age

__str__

The __str__ method defines the string representation of an object, which is returned by str(obj) and used by print.

class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age

    def __str__(self):
        return f"{self.name}, {self.age} years old"

The advantage of dunder methods is that they are invoked automatically by Python, so you don’t need to call them explicitly.

Resources I Used

• Python Refresher Series by Bonaventure Ogeto (YouTube)
• GitHub for documenting and pushing to my public repository

What’s Next

• Continue with Python OOP Basics – Part 2.