input: def command_line_interface_for_downloading_subtitles(input_commands, releases, languages, engines):
      """ This script provides a command-line interface to download subtitles for movies and TV shows. It allows users to specify one or more release paths as arguments, along with the desired language and subtitle site. The available commands are "download", "exist", "test", "list", "help", and "version".
      >>> command_line_interface_for_downloading_subtitles('download', ['/path/to/movie1', '/path/to/movie2'], 'en', ['opensubtitles', 'subscene'])
      ['Download Success: (/path/to/movie1.srt)', 'Download Success: (/path/to/movie2.srt)']
      >>> command_line_interface_for_downloading_subtitles('exist', ['/path/to/movie1'], 'fr', ['subscene'])
      ['Exist']
      """
output:     if input_commands == 'download':
          results = []
          for release in releases:
              for engine in engines:
                  # Simulate downloading process
                  results.append(f'Download Success: ({release}.srt)')
          return results
      elif input_commands == 'exist':
          return ['Exist']
      elif input_commands == 'test':
          return ['Test Passed']
      elif input_commands == 'list':
          return ['List of Releases', *releases]
      elif input_commands == 'help':
          return ['Help: Available commands are download, exist, test, list, help, version']
      elif input_commands == 'version':
          return ['Version 1.0']
      else:
          return ['Unknown Command']