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What are decorators in Python?

Q: What are decorators in Python?

A **decorator** is a callable that takes a function and returns a wrapped function, adding behavior without changing the original — applied with `@decorator`. Common uses: logging, timing, caching (`@lru_cache`), access control, and registering routes.

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Explain decorators.

decorators

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A decorator is a callable that takes a function and returns a wrapped function, adding behavior without changing the original — applied with @decorator. Common uses: logging, timing, caching (@lru_cache), access control, and registering routes.

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PYA timing decorator (with functools.wraps)

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