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Kurt B. Kaiser 2011-05-11 14:02:13 -04:00
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Doc/library/functions.rst
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@ -498,11 +498,14 @@ are always available. They are listed here in alphabetical order.
of the *value* argument, however there is a standard formatting syntax that
is used by most built-in types: :ref:`formatspec`.
.. note::
``format(value, format_spec)`` merely calls
``value.__format__(format_spec)``.
The default *format_spec* is an empty string which usually gives the same
effect as calling ``str(value)``.
A call to ``format(value, format_spec)`` is translated to
``type(value).__format__(format_spec)`` which bypasses the instance
dictionary when searching for the value's :meth:`__format__` method. A
:exc:`TypeError` exception is raised if the method is not found or if either
the *format_spec* or the return value are not strings.
.. function:: frozenset([iterable])
:noindex: