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Fix numbered list syntax in programming.rst (#130158)

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Rafael Fontenelle 2025-04-05 16:20:21 -03:00 • committed by GitHub
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@ -1868,15 +1868,15 @@ object identity is assured. Generally, there are three circumstances where
identity is guaranteed: identity is guaranteed:
1) Assignments create new names but do not change object identity. After the 1) Assignments create new names but do not change object identity. After the
assignment ``new = old``, it is guaranteed that ``new is old``. assignment ``new = old``, it is guaranteed that ``new is old``.
2) Putting an object in a container that stores object references does not 2) Putting an object in a container that stores object references does not
change object identity. After the list assignment ``s[0] = x``, it is change object identity. After the list assignment ``s[0] = x``, it is
guaranteed that ``s[0] is x``. guaranteed that ``s[0] is x``.
3) If an object is a singleton, it means that only one instance of that object 3) If an object is a singleton, it means that only one instance of that object
can exist. After the assignments ``a = None`` and ``b = None``, it is can exist. After the assignments ``a = None`` and ``b = None``, it is
guaranteed that ``a is b`` because ``None`` is a singleton. guaranteed that ``a is b`` because ``None`` is a singleton.
In most other circumstances, identity tests are inadvisable and equality tests In most other circumstances, identity tests are inadvisable and equality tests
are preferred. In particular, identity tests should not be used to check are preferred. In particular, identity tests should not be used to check