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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_optional_advice( self, argparser, default=[], help=( 'a comma separated list of packages to retrieve optional ' 'advice from; the provided packages should have registered ' 'the appropriate entry points for setting up the advices for ' 'the toolchain; refer to documentation for the specified ' 'packages for details' )):
 """ For setting up optional advice. """


        argparser.add_argument(
            '--optional-advice', default=default, required=False,
            dest=ADVICE_PACKAGES, action=StoreRequirementList,
            metavar='<advice>[,<advice>[...]]',
            help=help
        )