code: def _has_y(self, kwargs):
          '''Returns True if y is explicitly defined in kwargs'''
          return (('y' in kwargs) or (self._element_y in kwargs) or
                  (self._type == 3 and self._element_1my in kwargs)f _has_y(self, kwargs):
          '''Returns True if y is explicitly defined in kwargs'''
          return (('y' in kwargs) or (self._element_y in kwargs) or
                  (self._type == 3 and self._element_1my in kwargs))
docs: Returns True if y is explicitly defined in kwargs