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Closes #9574: Note that complex constructor doesn't allow whitespace around central operator.

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Mark Dickinson 2012-03-10 16:09:35 +00:00
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Doc/library/functions.rst
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@ -247,6 +247,13 @@ are always available. They are listed here in alphabetical order.
the function serves as a numeric conversion function like :func:`int`
and :func:`float`. If both arguments are omitted, returns ``0j``.
.. note::
When converting from a string, the string must not contain whitespace
around the central ``+`` or ``-`` operator. For example,
``complex('1+2j')`` is fine, but ``complex('1 + 2j')`` raises
:exc:`ValueError`.
The complex type is described in :ref:`typesnumeric`.