The single biggest new feature in Python 3.13 is something Python users have anticipated for ages: a version of Python that allows full concurrency, or multi-threading, by removing the Global ...

Given the vast majority of Python applications are single-threaded, this was a poor trade-off. Although refinements to the GIL have improved its handling of multi-threaded apps, it’s still a ...

Multithreaded Python applications don’t perform true parallel computing. Instead, they just create the illusion of parallelism. To achieve this, Python schedules a thread to run for a few CPU cycles, ...