#16796: merge with 3.3.
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774715cd81
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@ -1459,7 +1459,7 @@ Sub-commands
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different functions which require different kinds of command-line arguments.
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:class:`ArgumentParser` supports the creation of such sub-commands with the
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:meth:`add_subparsers` method. The :meth:`add_subparsers` method is normally
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called with no arguments and returns an special action object. This object
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called with no arguments and returns a special action object. This object
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has a single method, :meth:`~ArgumentParser.add_parser`, which takes a
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command name and any :class:`ArgumentParser` constructor arguments, and
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returns an :class:`ArgumentParser` object that can be modified as usual.
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