In addition to executing code embedded in HTML, it's also possible to add a ... and skip the complex scripts.

PyScript lets you run Python scripts right in the browser, side by side with JavaScript, with two-way interaction between your code and the ... once at the top in HTML, and once in a black pane ...

If you search the web you can find a number of references to programs/scripts that convert diff output to HTML. This is a bash version. The script expects "unified" diff output (diff -u) on its ...