You think you know Python? We thought so, too. Join us for an episode of surprises. You might know some of those, but you sure don't know all of them.

## Outline

(00:00:00) INTRO(00:02:22) Integer interning with a twist(00:10:58) Return in finally(00:15:32) all([[]])(00:20:06) Lists, iterators and hashing shenanigans(00:27:08) hash(-1)(00:31:30) String interning(00:34:23) PR OF THE WEEK(00:34:56) asyncio REPL now uses pyrepl, too(00:44:06) PyOS_InputHook(00:51:56) WHAT'S GOING ON IN CPYTHON(00:52:05) New core developers!(00:55:10) 3.13 beta 2 & 3.12.4 released(00:56:04) Pablo's top 3 favorite pyrepl improvements in Beta 2(00:59:50) PEP 667 implemented!(01:02:42) Tian Gao's improvements to pdb(01:06:31) Uncle Tim's crusade to make int(some_string) asymptotically faster(01:08:50) datetime now uses interpreter-local static types(01:09:55) PEP 749 enters the chat, paving the way to a PEP 649 future(01:11:35) os.fwalk, os.walk, shutil.rmtree now support arbitrary depth directory trees(01:14:13) Free-threading changes(01:22:15) OUTRO