I'm undecided if this goes into the next book. Maybe this is a teaser... And yes, this is a Python to the Rescue story.

I live on a boat. See Red Ranger Blog for details. What's essential is this little complication.

The South Gulf Cove Boat Lock.

The lock keeps …

See https://slott56.github.io/replacing-a-spreadsheet/. This document is really exciting (to me).

This is still shaky -- I'm still learning -- but it's a very cool combination of Python components sympy and Jupyter Lab. As a bonus, Jupyter{Book} appeals to me as a writer. There's an aspect of literate programing …