docs: def read_creds_from_environment_variables():
      """
      Read credentials from environment variables
  
      :return:
      """
      creds = init_creds()
      # Check environment variables
      if 'AWS_ACCESS_KEY_ID' in os.environ and 'AWS_SECRET_ACCESS_KEY' in os.environ:
          creds['AccessKeyId'] = os.environ['AWS_ACCESS_KEY_ID']
          creds['SecretAccessKey'] = os.environ['AWS_SECRET_ACCESS_KEY']
          if 'AWS_SESSION_TOKEN' in os.environ:
              creds['SessionToken'] = os.environ['AWS_SESSION_TOKEN']
      return creds