code: def to_string(self, verbose=0, title=None, **kwargs):
          
          from pprint import pformat
          s = pformat(self, **kwargs)
          if title is not None:
              return "\n".join([marquee(title, mark="="), s])
          return s
docs: String representation. kwargs are passed to `pprint.pformat`.
  
          Args:
              verbose: Verbosity level
              title: Title string.