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| -rw-r--r-- | Doc/library/argparse.rst | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index 2877437b99..785ecbf44b 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -729,15 +729,17 @@ how the command-line arguments should be handled. The supplied actions are: >>> parser.parse_args('--foo'.split()) Namespace(foo=42) -* ``'store_true'`` and ``'store_false'`` - These store the values ``True`` and - ``False`` respectively. These are special cases of ``'store_const'``. For - example:: +* ``'store_true'`` and ``'store_false'`` - These are special cases of + ``'store_const'`` used for storing the values ``True`` and ``False`` + respectively. In addition, they create default values of ``False`` and + ``True`` respectively. For example:: >>> parser = argparse.ArgumentParser() >>> parser.add_argument('--foo', action='store_true') >>> parser.add_argument('--bar', action='store_false') + >>> parser.add_argument('--baz', action='store_false') >>> parser.parse_args('--foo --bar'.split()) - Namespace(bar=False, foo=True) + Namespace(foo=True, bar=False, baz=True) * ``'append'`` - This stores a list, and appends each argument value to the list. This is useful to allow an option to be specified multiple times. |