text: #!/usr/bin/python3
  # -*- coding: utf-8 -*-
  
  import argparse
  
  
  def create_parser() -> argparse.ArgumentParser:
      return argparse.ArgumentParser()
  
  
  def create_args(parser: argparse.ArgumentParser) -> argparse.ArgumentParser:
      parser.add_argument(
          '-v', '--version', 
          action="store_true", 
          help='show this application version and exit'
      )
      parser.add_argument(
          '-e', '--export',
          dest='user_id',
          action="store_true",
          help='export user music in JSON format'
      )
  
      return parser
  
  
  def get_args() -> argparse.Namespace:
      return create_args(create_parser()).parse_args()
  