Redacted excerpt; full evidence withheld.

$ cd <host-path> && git log -1 --format=%H 2>/dev/null; ls -la; cat README* 2>/dev/null | head -200
exit: 0
](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)

A fork of [OpenFisca-Core](https://github.com/OpenFisca/OpenFisca-Core) that powers PolicyEngine country models (`policyengine-uk`, `policyengine-us`, `policyengine-canada`, `policyengine-il`, `policyengine-ng`) and the downstream apps and APIs. Provides the simulation engine, parameter tree, variable system, and reform machinery that each country package builds on top of.

## Install

```bash
pip install policyengine-core
```

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