#9438: clarify that constant names also cannot be assigned as attributes.
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@ -3,15 +3,6 @@ Built-in Constants
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A small number of constants live in the built-in namespace. They are:
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.. note::
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:data:`None`, :data:`False`, :data:`True` and :data:`__debug__` cannot be
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reassigned (assignments to them raise :exc:`SyntaxError`), so they can be
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considered "true" constants.
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.. XXX False, True, None are keywords too
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.. data:: False
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The false value of the :class:`bool` type. Assignments to ``False``
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@ -50,6 +41,12 @@ A small number of constants live in the built-in namespace. They are:
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Assignments to :const:`__debug__` are illegal and raise a :exc:`SyntaxError`.
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See also the :keyword:`assert` statement.
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.. note::
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The names :data:`None`, :data:`False`, :data:`True` and :data:`__debug__`
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cannot be reassigned (assignments to them, even as an attribute name, raise
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:exc:`SyntaxError`), so they can be considered "true" constants.
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Constants added by the :mod:`site` module
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-----------------------------------------
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