Check your school

Some courses run real Python libraries in the browser: Data detective, Apps with Gradio, Web apps with Flask, and Machine learning with Gradio. Everything runs on the student's own device, but the browser first downloads the Python runtime from this site, and a few lessons can fetch live data. School filters differ, so this page checks yours. It takes a minute or two; nothing is saved or sent anywhere.

Run the check

Check	Result	Time	Detail

What the results mean

• Ready: every in-browser Python lesson will work.
• Ready without live data: everything works except fetching live data. Lessons that use live data carry a saved copy and use it instead; only the optional lesson about calling an API needs live access.
• Python works, but this browser cannot pause for input(): most Python lessons ask the student questions with input(), which needs an up-to-date browser. Update it, or try another browser.
• Mostly ready: Python works, but Flask could not be loaded, so only the Web apps course is affected. Ask IT for the addresses listed.
• Not ready yet: the Python runtime could not load. Some filters block .wasm files even on a site they allow. The page lists what to ask your IT team to allow. Send them the list (the Copy button gives the full results), then run the check again.

The first visit is the slow one: the Python runtime is a download of about 14 MB, the data tools about 7 MB more, and machine learning (scikit-learn) about 19 MB more. Browsers keep the files, so later visits are much faster. Run the check on a student device and account if you can, since filters can differ between staff and students.