.. _help: help **** **Syntax:** :code:`help(topic, format)` Shows usage information. This command can be used in the distributed processing mode, but it does not participate in distributed processing. Arguments --------- topic [input] ~~~~~~~~~~~~~ **Data type:** string **Default value:** "" Name of command whose help is to be retrieved. Specify nothing to show general help. format [input] ~~~~~~~~~~~~~~ **Data type:** string **Default value:** text Output format. Can be text for textual output or rst for ReStructuredText output. The latter is more complex format. See also -------- :ref:`help`, :ref:`info`, :ref:`license`, :ref:`echo`, :ref:`print`, :ref:`waitreturn`, :ref:`hello`, :ref:`timing`, :ref:`savetiming`, :ref:`resettiming`