OK, now I have the confirmation that Brython is OK.
I think all scripts defined on the page will run.
Please read this: http://brython.info/static_doc/en/options.html
>ipy_id : by default, the function brython() runs all the scripts in the page.
Have you tried just copying the first example in the gallery?
http://brython.info/gallery/hello.html
When running on browser, check console (press F12 key on keyboard) to see any errors.
You have to check all needed files and paths on HTML.