A simple LRU Cache in Python

In a previous post , I explained some of the basic concepts of how caches work in hardware at the CPU level. As I mentioned to start that post, caching is used in many different areas of computer science. So how can you use this new knowledge you have gained? One way you might want to implement a cache is if you have expensive database calls. Let's say that you have a web app where you are displaying movie information. When a user searches for a movie, your backend will query your database for the information related to that movie. For a simple web app with a small number of active users, you

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