def is_deaf(self):
        """
        Глухая ли согласная.
        """
        if not self.is_consonant():
            return False
        if self.letter in self.forever_deaf:
            return True
        if self.letter in self.forever_sonorus:
            return False
        if self.__forsed_sonorus:
            return False
        if self.__forsed_sonorus is False:
            return True
        for _, df in self.sonorus_deaf_pairs:
            if self.letter == df:
                return True
        return False
def is_deaf ( self ) : if not self . is_consonant ( ) : return False if self . letter in self . forever_deaf : return True if self . letter in self . forever_sonorus : return False if self . __forsed_sonorus : return False if self . __forsed_sonorus is False : return True for _ , df in self . sonorus_deaf_pairs : if self . letter == df : return True return False
Глухая ли согласная.