The Python programming language, tutorials, and more

330 408,488 39,115
articles words lines of code
Image

Learn how to use the unpacking operator inside list comprehensions.

Image

Learn how to use the new frozendict built-in to create and manipulate immutable dictionaries.

Image

Learn how to use the sentinel built-in from Python 3.15 for placeholder values.

Image

Learn how to use lazy imports to speed up the startup time of your Python applications.

Image

This article explains the 5 best new features of Python 3.15 with clear examples and explanations.

Image

Today I learned how to setup a Rust project that can be called from Python with PyO3 and maturin through uv.

Image

Learn the fundamental principles behind OOP and how they connect to the syntax of Python.

Image

Replay the EuroPython 2026 Python quiz.

Image

Cheatsheet with visual diagrams that explain how the iterables from itertools work.

Image

Improve the capabilities of your agent by providing it with better tools.

Image

Learn how to write a coding agent in this Python tutorial that teaches how to interact with an LLM through an API, how to manage the conversation context, and how to do tool calling.

Image

Today I learned Python 3.15 will get a new sentinel built-in.

Image

Learn how to work around the Python machinery to resolve an explicit lazy import manually.

Image

In this article I share my personal highlights of PyCon Lithuania 2026.

Image

Play this short quiz to test your Python knowledge!

Image

This article shares two skills you can add to your coding agents so they use uv workflows.

Image

Learn how objects are automatically iterable if you implement integer indexing.

Image

This article covers a useful LLM pattern where you ask the LLM to write code to solve a problem instead of asking it to solve the problem directly.

Image

Today I learned how to inspect a lazy import object in Python 3.15.

Image

Today I learned how to install jupyter properly while using uv to manage tools.