28. Python Docstrings Explained | Beginner Tutorial

Published: 08 April 2025
on channel: OptnGrow

Want to make your Python functions self-explanatory and professional? In this quick beginner-friendly tutorial, we explore Python docstrings — the easiest way to document your code! ✨

🧠 Learn how Python's built-in functions like len() use docstrings, and then create your own docstrings for custom functions. We’ll also show how to use help() and _doc_ to view them. It’s simple, useful, and makes your code 10x better.

📋 What You’ll Learn:

What is a docstring in Python?

How to view built-in docstrings

How to write docstrings for your own functions

Best practices and formatting tips

🧪 Code examples used in this video:

def greet(name):
"""
Greets a person with their name.

Parameters:
name (str): The name of the person to greet.

Returns:
str: A greeting message.
"""
return f"Hello, {name}!"

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