> Threading in CPython doesn't allow 2 threads to run concurrently (because of GIL)
It does allow threads to execute concurrently. It doesn't allow them to execute in parallel if they all are running Python code (if at least one is rubbing native code and has released the GIL, then those plus one that has not can run in parallel.)
It does allow threads to execute concurrently. It doesn't allow them to execute in parallel if they all are running Python code (if at least one is rubbing native code and has released the GIL, then those plus one that has not can run in parallel.)