code: def encipher(self,string):
                     
          string = self.remove_punctuation(string,filter='[^'+self.key+']')        
          ctext = ""
          for c in string:
              ctext += ''.join([str(i) for i in L2IND[c]])
          return ctext
docs: Encipher string using Delastelle cipher according to initialised key.
  
          Example::
  
              ciphertext = Delastelle('APCZ WRLFBDKOTYUQGENHXMIVS').encipher(plaintext)     
  
          :param string: The string to encipher.
          :returns: The enciphered string. The ciphertext will be 3 times the length of the plaintext.