def decipher(self,string,keep_punct=False):
return self.encipher(string,keep_punct)<EOL>
r"""Decipher string using rot13 cipher. The Deciphering and enciphering operations are identical.

        Example::

            plaintext = Rot13().decipher(ciphertext)     

        :param string: The string to decipher.
        :param keep_punct: if true, punctuation and spacing are retained. If false, it is all removed. Default is False. 
        :returns: The deciphered string.