In general, the Executor or even Queue abstractions are much better and safer ways of doing multithreading and multiprocessing. These days, I rarely ever direct

In general, the Executor or even Queue abstractions are much better and safer ways of doing multithreading and multiprocessing. These days, I rarely ever directly create threads. It's fine for situations when you must but parallelizing work can usually be done better, safer, and easier with executors.