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Summary Decorators are a great way to make your codebase more flexible and easy to maintain. They provide a simple way to do runtime validation on functions and are handy for debugging as well.

Decorators in Python are a prime-time example of a perfectly implemented feature. It does take a while to wrap your head around, but it’s worth it.

Take advantage of caching and the lru_cache decorator to relieve your Python functions from repetitive heavy lifting.