code: def _get_address_family(table, instance):
          
          address_family_mapping = {"inet": "ipv4", "inet6": "ipv6", "inetflow": "flow"}
          if instance == "master":
              family = table.rsplit(".", 1)[-2]
          else:
              family = table.split(".")[-2]
          try:
              address_family = address_family_mapping[family]
          except KeyError:
              address_family = None
          return address_family
docs: Function to derive address family from a junos table name.
  
          :params table: The name of the routing table
          :returns: address family