PyMOTW: multiprocessing, part 1

The multiprocessing module includes a relatively simple API for dividing work up between multiple processes. It is based on the API for threading, and in some cases is a drop-in replacement. Due to the similarity, the first few examples here are modified from the threading examples. Features provided by multiprocessing but not available in threading are covered later.

Read more at pymotw.com: multiprocessing/basics.html