I'll bet they're using this, that's exactly what it is designed for: https://tljh.jupyter.org/en/latest/ https://tljh.jupyter.org/en/latest/ Alternatively, you

I'll bet they're using this, that's exactly what it is designed for: https://tljh.jupyter.org/en/latest/ https://tljh.jupyter.org/en/latest/ Alternatively, you could do something similar with Google Colab and a notebook you make to serve as a template.