code: def to_string_short(self):
          
          if hasattr(self, 'constrained_by') and len(self.constrained_by) > 0:
              return "* {:>30}: {}".format(self.uniquetwig_trunc, self.get_quantity() if hasattr(self, 'quantity') else self.get_value())
          else:
              return "{:>32}: {}".format(self.uniquetwig_trunc, self.get_quantity() if hasattr(self, 'quantity') else self.get_value())
docs: see also :meth:`to_string`
  
          :return: a shorter abreviated string reprentation of the parameter