Python users should be familiar with the REPL, the console interface to the Python runtime. In PyScript, you can embed into the browser a live terminal running the REPL, or just console output ...

That is, Python lacks a consistent ... uses a web browser for interaction. But there is as of yet no option to allow Briefcase programs with no UI package installed to run with a console.

Then there’s Pyodide which is an interactive Python console that lives in your browser.[2] You can work directly with Pyodide online, you do not need something like PyScript to use it.