code: def get_app_id(self, app_id, mount_point='app-id', wrap_ttl=None):
          
          path = '/v1/auth/{0}/map/app-id/{1}'.format(mount_point, app_id)
          return self._adapter.get(path, wrap_ttl=wrap_ttl).json()
docs: GET /auth/<mount_point>/map/app-id/<app_id>
  
          :param app_id:
          :type app_id:
          :param mount_point:
          :type mount_point:
          :param wrap_ttl:
          :type wrap_ttl:
          :return:
          :rtype: