Powerful and versatile as it is, Python ... an executable file to run, along with all the libraries and other supplemental files required. All you need to do to distribute your program, then ...

If you save this into a file and open it in a web browser, ... In PyScript, you can embed into the browser a live terminal running the REPL, or just console output from your Python program.

The new PyScript project lets you embed Python programs directly in HTML pages and execute them within the browser without any server-based requirements.