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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 store_net_fw_db(self, tenant_id, net, net_dict, subnet_dict, direc, result, os_status=None, dcnm_status=None, dev_status=None):
 """Save the entries in Network and Firewall DB. Stores the entries into Network DB and Firewall DB as well as update the result of operation into FWDB. Generally called by OS operations that wants to modify both the Net DB and FW DB. """

        self.store_net_db(tenant_id, net, net_dict, result)
        self.store_fw_db(tenant_id, net, subnet_dict, direc)
        self.update_fw_db_result(tenant_id, os_status=os_status,
                                 dcnm_status=dcnm_status,
                                 dev_status=dev_status)