[issue44002] Use functools.lru_cache in urllib.parse instead of 1996 custom caching

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:

While you're cleaning up the module, take a look at the Quoter class.  It overrides __init__ and __missing__, so Quoter is not using any of the defaultdict features at all.  I'm thinking it could just inherit from dict.

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nosy: +rhettinger

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