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| -rw-r--r-- | Doc/library/argparse.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index 181291f..c7b8cb7 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -675,8 +675,7 @@ how the command-line arguments should be handled. The supplied actions are: Namespace(foo='1') * ``'store_const'`` - This stores the value specified by the const_ keyword - argument. (Note that the const_ keyword argument defaults to the rather - unhelpful ``None``.) The ``'store_const'`` action is most commonly used with + argument. The ``'store_const'`` action is most commonly used with optional arguments that specify some sort of flag. For example:: >>> parser = argparse.ArgumentParser() @@ -878,7 +877,8 @@ the various :class:`ArgumentParser` actions. The two most common uses of it are command-line argument following it, the value of ``const`` will be assumed instead. See the nargs_ description for examples. -The ``const`` keyword argument defaults to ``None``. +With the ``'store_const'`` and ``'append_const'`` actions, the ``const`` +keyword argument must be given. For other actions, is defaults to ``None``. default |