code: def is_equal(self, other_consonnant):
          
          return self.place == other_consonnant.place and self.manner == other_consonnant.manner and \
                 self.voiced == other_consonnant.voiced and self.geminate == other_consonnant.geminate
docs: >>> v_consonant = Consonant(Place.labio_dental, Manner.fricative, True, "v", False)
          >>> f_consonant = Consonant(Place.labio_dental, Manner.fricative, False, "f", False)
          >>> v_consonant.is_equal(f_consonant)
          False
  
          :param other_consonnant:
          :return: