7.9 Exercises
This chapter’s exercises are based on code available from Packt Publishing on GitHub. See https://github.com/PacktPublishing/Functional-Python-Programming-3rd-Edition.
In some cases, the reader will notice that the code provided on GitHub includes partial solutions to some of the exercises. These serve as hints, allowing the reader to explore alternative solutions.
In many cases, exercises will need unit test cases to confirm they actually solve the problem. These are often identical to the unit test cases already provided in the GitHub repository. The reader should replace the book’s example function name with their own solution to confirm that it works.
7.9.1 Frozen dictionaries
A dictionary with optional key values can be a source of confusing state change management. Python’s implementation of objects generally relies on an internal dictionary, named __dict__, to keep an object’s attribute values. This is easy to mirror in application...
