> The tools for introspection are amazing. I recently debugged a production issue by opening a console connected to a running system, and calling the functions

> The tools for introspection are amazing. I recently debugged a production issue by opening a console connected to a running system, and calling the functions I suspected to be failing to see what they were returning directly. Not sure if any other language has that facility. twisted/python has had manhole facility since early 2000s, I still sometimes use it to day http://www.lothar.com/tech/twisted/manhole.xhtml http://www.lothar.com/tech/twisted/manhole.xhtml