code: def prepare_options(options):
      
      options_, verbose_options = [], []
      for option in options:
          if is_string(option):
              options_.append(option)
              verbose_options.append(option)
          else:
              options_.append(option[0])
              verbose_options.append(option[1])
      return options_, verbose_options
docs: Create options and verbose options from strings and non-string iterables in
      `options` array.