PyScript lets you run Python scripts right in the browser, side by side with JavaScript, with two-way interaction between your code and the web page. Created by Anaconda and launched in April 2022, ...

os.path.join (folder, filename) ensures the path is correct for the system. On Windows, it uses backslashes (reports\summary.txt); on Linux and macOS it uses forward slashes (reports/summary.txt).

It started with a lab experiment for my daughter's class. The assignment was to take 200 pennies and put them in a shoe box. Shake up the box and then open it and remove all the pennies with "heads" ...