text: #!/usr/bin/env python
  # # Copyright 2021 Google LLC
  #
  # 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 sys
  
  MINIMUM_MAJOR_VERSION = 3
  MINIMUM_MINOR_VERSION = 3
  
  if (
      sys.version_info.major < MINIMUM_MAJOR_VERSION
      and sys.version_info.minor < MINIMUM_MINOR_VERSION
  ):
      print("Error: Python version less than 3.5")
      exit(1)
  else:
      print(f"Python version acceptable: {sys.version}")
      exit(0)