> It also means that adding performance to an existing Python program requires dropping into a different language, which is not only complicated, but also requi

> It also means that adding performance to an existing Python program requires dropping into a different language, which is not only complicated, but also requires engineers capable in both Python and C (or similar). It's actually not that bad. I think it's part of the reason Python became so popular, it's fairly easy to write C code and expose it via python.