Generator Tricks for Systems Programmers, v3.0 Copyright (C) 2008, 2018 David M. Beazley http://www.dabeaz.com Presented at PyCon'08, March 13, 2008, Chicago, Illinois. Updated to Python 3.7, October 29, 2018. Related Tutorials A Curious Course on Coroutines and Concurrency. Presented at PyCon 2009 (Chicago). Generators: The Final Frontier. Presented at PyCon 2014 (Montreal). Introduction This tut