#
#  Copyright 2019 The FATE Authors. All Rights Reserved.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#

import random
import string


def random_string(string_length=6):
    letters = string.ascii_lowercase
    return ''.join(random.choice(letters) for _ in range(string_length))


def random_number_string(string_length=6):
    letters = string.octdigits
    return ''.join(random.choice(letters) for _ in range(string_length))