Chainlit requires python>=3.9. You can install Chainlit it via pip as follows: 
pip install chainlit
This will make the chainlit command available on your system. Make sure everything runs smoothly: 
chainlit hello
This should spawn the chainlit UI and ask for your name like so: Hello

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Next steps

In Pure Python

Learn on how to use Chainlit with any python code.

Integrations

Integrate Chainlit with other frameworks.