Python Concurrency: Threads, Processes, asyncio

good explanation and code examples

 Python Concurrency: Threads, Processes, and asyncio Explained

• threads are like having many workers share one computer
• processes are like having many workers, each with their own computer
• asyncio is like having one well organized worker who knows when to switch between different tasks

David Beazley - Python Concurrency From the Ground Up: LIVE! - PyCon 2015 - YouTube