code: def list_users(self, limit=20):
          
          parameters = dict()
          parameters['limit'] = limit
          response = self.request('midas.user.list', parameters)
          return response
docs: List the public users in the system.
  
          :param limit: (optional) The number of users to fetch.
          :type limit: int | long
          :returns: The list of users.
          :rtype: list[dict]