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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def init_argparser_package_names(self, argparser, help=( 'names of the python package to generate artifacts for; ' 'note that the metadata directory for the specified ' 'packages must be writable')):
 """ Default helper for setting up the package_names option. This is separate so that subclasses are not assumed for the purposes of artifact creation; they should consider modifying the default help message to reflect the fact. """


        argparser.add_argument(
            'package_names', metavar=metavar('package'), nargs='+', help=help)