How Python was Shaped by leaky Internals, Armin Ronacher, Flask framework
Видео с мероприятий {speach! · 49:55 · Watch on YouTube
Python's a + b is not add but a ~400-line C fast-path through type slots in ceval.c, and that exposed interpreter internals lock the language into the GIL, no multi-interpreter, and no multi-version modules.