code: def usergroups_users_update(
          self, *, usergroup: str, users: List[str], **kwargs
      ) -> SlackResponse:
          
          self._validate_xoxp_token()
          kwargs.update({"usergroup": usergroup, "users": users})
          return self.api_call("usergroups.users.update", json=kwargs)
docs: Update the list of users for a User Group
  
          Args:
              usergroup (str): The encoded ID of the User Group to update.
                  e.g. 'S0604QSJC'
              users (list): A list user IDs that represent the entire list of
                  users for the User Group. e.g. ['U060R4BJ4', 'U060RNRCZ']