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gh-101472: Add nargs='...' to the reference of add_argument in argparse #101473

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gh-101472: Add nargs='...' to the reference of add_argument in argparse #101473

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11 changes: 11 additions & 0 deletions Doc/library/argparse.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1043,6 +1043,17 @@ If the ``nargs`` keyword argument is not provided, the number of arguments consu
is determined by the action_. Generally this means a single command-line argument
will be consumed and a single item (not a list) will be produced.

* ``'...'``. The remaining command-line args are gathered into a list,
including optional arguments. If there are no remaining arguments,
an empty list is returned. For example::

>>> parser = argparse.ArgumentParser()
>>> parser.add_argument('cmd')
>>> parser.add_argument('args', nargs='...')
>>> parser.parse_args('script.sh -v -n'.split())
Namespace(cmd=['script.sh'], args=['-v', '-n'])
>>> parser.parse_args('script.sh'.split())
Namespace(cmd=['script.sh'], args=[])

.. _const:

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