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gh-96408: Document difference between set-like view and sets. (GH-96439)
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@ -4694,7 +4694,9 @@ values are hashable, so that ``(key, value)`` pairs are unique and hashable,
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then the items view is also set-like. (Values views are not treated as set-like
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since the entries are generally not unique.) For set-like views, all of the
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operations defined for the abstract base class :class:`collections.abc.Set` are
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available (for example, ``==``, ``<``, or ``^``).
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available (for example, ``==``, ``<``, or ``^``). While using set operators,
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set-like views accept any iterable as the other operand, unlike sets which only
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accept sets as the input.
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An example of dictionary view usage::
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@ -4726,6 +4728,8 @@ An example of dictionary view usage::
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{'bacon'}
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>>> keys ^ {'sausage', 'juice'}
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{'juice', 'sausage', 'bacon', 'spam'}
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>>> keys | ['juice', 'juice', 'juice']
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{'juice', 'sausage', 'bacon', 'spam', 'eggs'}
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>>> # get back a read-only proxy for the original dictionary
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>>> values.mapping
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