code: def call(self, method_path, **kwargs):
          
  
          interface, method = method_path.split('.', 1)
          return getattr(getattr(self, interface), method)(**kwargs)
docs: Make an API call for specific method
  
          :param method_path: format ``Interface.Method`` (e.g. ``ISteamWebAPIUtil.GetServerInfo``)
          :type method_path: :class:`str`
          :param kwargs: keyword arguments for the specific method
          :return: response
          :rtype: :class:`dict`, :class:`lxml.etree.Element` or :class:`str`