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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 update_fw_db_result(self, tenant_id, os_status=None, dcnm_status=None, dev_status=None):
 """Update the FW DB Result and commit it in DB. Calls the service object routine to commit the result of a FW operation in to DB """

        serv_obj = self.get_service_obj(tenant_id)
        serv_obj.update_fw_local_result(os_status, dcnm_status, dev_status)
        serv_obj.commit_fw_db_result()