The linked post is actually a Jupyter notebook itself - analysing the number of notebooks on Github.
A key element with Kyso is that the code is hidden by default to make it readable to non-technical people but you can click on the "code hidden" button on the top right to see the code in full.
If you want to give Kyso a go - sign up and import from Github directly on this page: https://kyso.io/github, or upload using this page: https://kyso.io/create/study