Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

Euler and Venn diagrams are used to visualise the relationships between sets. Both typically employ circles to represent sets, and areas where two circles overlap represent subsets common to both ...

The demo visualization uses blocking input() calls to step through processes; this is intended for educational use in a terminal. Optional enhancements: timing, matplotlib GUI, pytest unit tests.