1. 1. uv
2. 2. Install uv
3. 3. Start a new Python project with uv
4. 4. Add a dependency with uv
5. 5. Add a new development-time dependency
6. 6. Add an optional dependency that is needed to some feature
7. 7. View the dependency tree with uv
8. 8. GitHub Action with uv
9. 9. Install the optional dependencies