I don't know about you, but each time I await something in Python, I get a tiny itch in the back of my brain. Not because I don’t know what it does or how to use it, that part’s fine. I write my async defs, slap some await in there, and it just works™️. No, what's bothering me is: why does it work? If we’re not blocking the main process... who’s doing the actual work I’m awaiting? And more importantly, how does the result get back into my Python function? Take a typical FastAPI route. Maybe we’r...