def get_argument_key(kwargs, argument_key, index):
if isinstance(argument_key, (list, tuple)):<EOL><INDENT>return_string = '<STR_LIT>'<EOL>for element in argument_key:<EOL><INDENT>return_val = kwargs.get(element)[index]<EOL>if return_val is None:<EOL><INDENT>return_val = '<STR_LIT>'<EOL><DEDENT>return_string += str(return_val)<EOL>if len(argument_key) > <NUM_LIT:1>:<EOL><INDENT>return_string += '<STR_LIT:_>'<EOL><DEDENT><DEDENT>return return_string<EOL><DEDENT>return str(kwargs.get(argument_key)[index] or '<STR_LIT>')<EOL>
:param kwargs: keyword arguments used to kickoff the multiget
:param argument_key: Name or set of names of keyword arguments to read from
:param index: which set of arguments are considered
:return: