def iam_group_name(group_name):
    if (len(group_name) > 128):
        raise ValueError('IAM Role Name may not exceed 128 characters')
    iam_names(group_name)
    return group_name
def iam_group_name(group_name):
    if (len(group_name) > 128):
        raise ValueError('IAM Role Name may not exceed 128 characters')
    iam_names(group_name)
    return group_name