# PyO3 Examples These examples are a collection of toy extension modules built with PyO3. They are all tested using `tox` in PyO3's CI. Below is a brief description of each of these: | Example | Description | | ------- | ----------- | | `maturin-starter` | A template project which is configured to use [`maturin`](https://github.com/PyO3/maturin) for development. | | `setuptools-rust-starter` | A template project which is configured to use [`setuptools_rust`](https://github.com/PyO3/setuptools-rust/) for development. | | `word-count` | A quick performance comparison between word counter implementations written in each of Rust and Python. | | `pyo3-benchmarks` | A project containing some benchmarks of PyO3 functionality called from Python. | | `pyo3-pytests` | A project containing some tests of PyO3 functionality called from Python. |