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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 licenses( self, token: dict = None, owner_id: str = None, prot: str = "https" ) -> dict: """Get information about licenses owned by a specific workgroup. :param str token: API auth token :param str owner_id: workgroup UUID :param str prot: https [DEFAULT] or http (use it only for dev and tracking needs). """

        # handling request parameters
        payload = {"gid": owner_id}

        # search request
        licenses_url = "{}://v1.{}.isogeo.com/groups/{}/licenses".format(
            prot, self.api_url, owner_id
        )
        licenses_req = self.get(
            licenses_url,
            headers=self.header,
            params=payload,
            proxies=self.proxies,
            verify=self.ssl,
        )

        # checking response
        req_check = checker.check_api_response(licenses_req)
        if isinstance(req_check, tuple):
            return req_check

        # end of method
        return licenses_req.json()