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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def update_role_config_group(self, name, apigroup):
 """ Update a role config group. @param name: Role config group name. @param apigroup: The updated role config group. @return: The updated ApiRoleConfigGroup object. @since: API v3 """

    return role_config_groups.update_role_config_group(
        self._get_resource_root(), self.name, name, apigroup,
        self._get_cluster_name())