new_contents: import argparse
  
  
  def parse_args():
      parser = argparse.ArgumentParser(usage='%(prog)s [options]',
                                       prog='twphotos')
      parser.add_argument('-u', '--user', help="user account")
      parser.add_argument('-l', '--list',
                          help="list slug with --user as list owner")
  
subject: Add command.py with argparse