The py_run_string() function executes whatever Python code is within the parentheses and quotation marks. If you run that code in R, it may look like nothing happened.

To be fair, the original use case for Python never called for standalone redistributables. Python programs have, by and large, been run in place on systems where a copy of the Python interpreter ...

In addition to executing code embedded in HTML, it's also possible to add a code editor directly into an HTML page using the py-repl tag so that you can input code and execute it, as shown below.