#
#  Copyright 2019 The FATE Authors. All Rights Reserved.
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#  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
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#      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.
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1. Based on Google Python Code Style
2. The log or message string begins with an lowercase letter
3. Strings use double quotes
4. Import Module but not directly import Class
5. Using {} instead of Dict
6. Using [] instead of List
7. Function parameters need to be typed
8. Function return need to be typed
8. Any expression is as clear and unambiguous as possible