Try running this program with Python 3.12 or Python 3.13 (the GIL version). On my AMD Ryzen 3600 six-core machine, it completes in about two seconds. With Python 3.13t, it completes in about 0.6 ...

Python 3.11 has just been released, and developers are encouraged to try out this latest version on non-production code, both to verify that it works with your programs and to get an idea of ...