An anonymous reader writes: The site pythonfiddle, like jsfiddle of similar name, allows users to post code and share it with others. However, unlike jsfiddle, pythonfiddle brings a major advancement with the python langange, which fully runs in the browser.
Thus spake the master programmer:
"When a program is being tested, it is too late to make design changes."
-- Geoffrey James, "The Tao of Programming"