Explain wraps.
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Why use functools.wraps when writing decorators?
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decoratorwraps
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Wrapping a function replaces its __name__, __doc__, and signature with the wrapper's. @functools.wraps(func) on the inner wrapper copies that metadata back, so introspection, docs, and debugging still reflect the original function.
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PYWithout wraps the name/doc are lost; with it they survive
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