code: def reversed(self):
          
          new_quad = QuadraticBezier(self.end, self.control, self.start)
          if self._length_info['length']:
              new_quad._length_info = self._length_info
              new_quad._length_info['bpoints'] = (
                  self.end, self.control, self.start)
          return new_quad
docs: returns a copy of the QuadraticBezier object with its orientation
          reversed.