# Learn Polars _🚧 This collection is a work in progress. Please help us add notebooks!_ This collection of marimo notebooks is designed to teach you the basics of data wrangling using a Python library called Polars. **Help us build this course! ⚒️** We're seeking contributors to help us build these notebooks. Every contributor will be acknowledged as an author in this README and in their contributed notebooks. Head over to the [tracking issue](https://github.com/marimo-team/learn/issues/40) to sign up for a planned notebook or propose your own. **Running notebooks.** To run a notebook locally, use ```bash uvx marimo edit ``` You can also open notebooks in our online playground by appending marimo.app/ to a notebook's URL: [https://marimo.app/github.com/marimo-team/learn/blob/main/polars/01_why_polars.py](https://marimo.app/github.com/marimo-team/learn/blob/main/polars/01_why_polars.py). **Authors.** Thanks to all our notebook authors! * [Koushik Khan](https://github.com/koushikkhan) * [Péter Gyarmati](https://github.com/peter-gy)