Inside the Python GIL.

From a channel Lumen includes in full: David Beazley, a longtime Python core contributor and author of the Python Cookbook, live-codes interpreters, async frameworks and generator pipelines in long talks and screencasts that teach Python's deepest machinery by building it.

A 61-minute video from David Beazley's catalogue; the title names its topic.

Video by David Beazley, played through YouTube's embedded player.