code: def remove(self, steamid):
          
          if isinstance(steamid, SteamUser):
              steamid = steamid.steam_id
  
          self._steam.send(MsgProto(EMsg.ClientRemoveFriend), {'friendid': steamid})
docs: Remove a friend
  
          :param steamid: their steamid
          :type steamid: :class:`int`, :class:`.SteamID`, :class:`.SteamUser`