Mastering Python Design Patterns - Second Edition

Implementation

Let's see how we can implement the example mentioned previously for cars in an area. We will create a small car park to illustrate the idea, making sure that the whole output is readable in a single terminal page. However, no matter how large you make the car park, the memory allocation stays the same.

Before diving into the code, let's spend a moment noting the differences between the memoization and the flyweight pattern. Memoization is an optimization technique that uses a cache to avoid recomputing results that were already computed in an earlier execution step. Memoization does not focus on a specific programming paradigm such as object-oriented programming (OOP). In Python, memoization can be applied to both methods and ...