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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 detect(self):
 """ Try to contact a remote webservice and parse the returned output. Determine the IP address from the parsed output and return. """

        if self.opts_url and self.opts_parser:
            url = self.opts_url
            parser = self.opts_parser
        else:
            url, parser = choice(self.urls)  # noqa: S311
        parser = globals().get("_parser_" + parser)
        theip = _get_ip_from_url(url, parser)
        if theip is None:
            LOG.info("Could not detect IP using webcheck! Offline?")
        self.set_current_value(theip)
        return theip