Defining Your Own Python Function
NEW

Defining Your Own Python Function

Learn how to define your own Python function, pass data into it, and return results to write clean, reusable code in your programs.

Jun 11, 2025 basics python

Podcasts

View All »
The Real Python Podcast
#253: Starting With Marimo Notebooks & Python App Config Management
loading 00:0051:41
live

— FREE Email Series —

🐍 Python Tricks 💌

Python Tricks Dictionary Merge

🔒 No spam. Unsubscribe any time.

Browse Topics Guided Learning Paths
Basics Intermediate Advanced
api best-practices career community databases data-science data-structures data-viz devops django docker editors flask front-end gamedev gui machine-learning numpy projects python testing tools web-dev web-scraping

Explore Real Python

Learning Paths
Guided study plans for accelerated learning
Python Tutorials
In-depth articles and step-by-step video courses
Quizzes & Exercises
Evaluate your Python knowledge with quick tests
Browse Topics
Focus on a specific area or skill level
Community Chat
Learn with other Pythonistas
Office Hours
Live Q&A calls with experts from Real Python
Podcast
Hear what’s new in the world of Python
Books
Round out your knowledge and learn offline
Reference
Concise definitions for common Python terms
Code MentorBeta
Personalized code assistance & intelligent learning tools

New Releases

View All »
Continuous Integration and Deployment for Python With GitHub Actions

Python Continuous Integration and Deployment Using GitHub Actions

Jun 10, 2025 advanced devops

Python Monthly News

Python Hits the Big Screen and Other Python News for June 2025

Jun 09, 2025 community

How to Find the Absolute Value in Python

How to Find an Absolute Value in Python

Jun 04, 2025 basics python

Executing Python Scripts With a Shebang

Execute Your Python Scripts With a Shebang

Jun 03, 2025 intermediate best-practices

How Can You Structure Your Python Script?

How Can You Structure Your Python Script?

Jun 02, 2025 basics python

Control Flow Structures in Python

Control Flow Structures in Python

May 28, 2025 intermediate python

Remove ads
Python Scope & the LEGB Rule: Resolving Names in Your Code

The LEGB Rule & Understanding Python Scope

May 27, 2025 intermediate python

Marimo: A Reactive, Reproducible Notebook

Marimo: A Reactive, Reproducible Notebook

May 26, 2025 intermediate data-science editors python tools

Nested Loops in Python

Nested Loops in Python

May 21, 2025 basics python

Build an LLM RAG Chatbot With LangChain

First Steps With LangChain

May 20, 2025 intermediate databases data-science

How to Group Data Using Polars .group_by()

How to Group Data Using Polars .group_by()

May 19, 2025 intermediate data-science python

How to Get the Most Out of PyCon

How to Get the Most Out of PyCon US

May 14, 2025 career community

How to Deal With Missing Data in Polars

Working With Missing Data in Polars

May 13, 2025 intermediate data-science python

Python News

Python's T-Strings Coming Soon and Other Python News for May 2025

May 12, 2025 community

How to Use Loguru for Simpler Python Logging

How to Use Loguru for Simpler Python Logging

May 07, 2025 intermediate tools

The subprocess Module: Wrapping Program With Python

Using the Python subprocess Module

May 06, 2025 intermediate

Sets in Python

Sets in Python

May 05, 2025 basics python

Modern Web Automation with Python and Selenium

Modern Web Automation With Python and Selenium

Apr 30, 2025 intermediate projects testing web-scraping