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[3.11] gh-77753: Add example for values that compare equal in stdtypes (GH-98497) #98693

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miss-islington merged 1 commit into from
Oct 26, 2022
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[3.11] gh-77753: Add example for values that compare equal in stdtypes (GH-98497) #98693

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gh-77753: Add example for values that compare equal in stdtypes (GH-9… 
…8497)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
(cherry picked from commit 0ca6a4d)

Co-authored-by: Stanley <46876382+slateny@users.noreply.github.com>
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@slateny @miss-islington
slateny authored and miss-islington committed Oct 26, 2022
commit c1ff611015ac51d88e9d16230c6de8bde9a298e5
8 changes: 3 additions & 5 deletions Doc/library/stdtypes.rst
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Expand Up @@ -4370,11 +4370,9 @@ type, the :dfn:`dictionary`. (For other containers see the built-in
A dictionary's keys are *almost* arbitrary values. Values that are not
:term:`hashable`, that is, values containing lists, dictionaries or other
mutable types (that are compared by value rather than by object identity) may
not be used as keys. Numeric types used for keys obey the normal rules for
numeric comparison: if two numbers compare equal (such as ``1`` and ``1.0``)
then they can be used interchangeably to index the same dictionary entry. (Note
however, that since computers store floating-point numbers as approximations it
is usually unwise to use them as dictionary keys.)
not be used as keys.
Values that compare equal (such as ``1``, ``1.0``, and ``True``)
can be used interchangeably to index the same dictionary entry.

.. class:: dict(**kwargs)
dict(mapping, **kwargs)
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