“Concurrency” is Chapter 12 of the “Python Cookbook” by David Beazley and Brian K. Jones. The chapter provides a comprehensive guide to writing concurrent programs in Python.

The chapter is suitable for intermediate to advanced Python programmers who want to learn how to write concurrent and parallel programs using Python’s built-in concurrency features.

The chapter covers a wide range of topics related to concurrency in Python, including:

1. Understanding concurrency and parallelism
2. Using threads to write concurrent programs
3. Synchronizing threads using locks, events, and semaphores
4. Using queues for inter-thread communication
5. Using subprocesses for parallelism
6. Using the multiprocessing module for parallelism
7. Writing asynchronous code using coroutines and event loops
8. Using the concurrent.futures module for asynchronous execution

The chapter includes practical examples and code snippets to help readers apply the concepts in real-world scenarios. It emphasizes best practices in concurrent programming, including thread safety, synchronization, and error handling.

Overall, “Concurrency” is a comprehensive guide to writing concurrent and parallel programs in Python. It is written in an accessible and easy-to-understand style and is suitable for anyone who wants to learn how to write efficient and scalable concurrent programs in Python.