code: def show_header(**header):
      "Display a HTTP-style header on the command-line."
  
      print('%s: %s' % ('Now', header['now']))
      print('%s: %s' % ('Stop-Name', header['name']))
      print('%s: %s' % ('Stop-ID', header.get('id', None)))
      print(''f show_header(**header):
      "Display a HTTP-style header on the command-line."
  
      print('%s: %s' % ('Now', header['now']))
      print('%s: %s' % ('Stop-Name', header['name']))
      print('%s: %s' % ('Stop-ID', header.get('id', None)))
      print('')
docs: Display a HTTP-style header on the command-line.