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by perfect_kiss 2138 days ago
> 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