# Quil / Quil-T Specification

{% hint style="success" %}
To learn more about writing Quil using Python, check out the [Quil SDK](https://docs.rigetti.com/qcs/master#quil-sdk).
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## Quil Specification

{% embed url="<https://github.com/quil-lang/quil/blob/master/spec/Quil.md>" %}

## Quil-T Specification

{% embed url="<https://github.com/quil-lang/quil/blob/master/rfcs/analog/spec_changes.md>" %}