code: def reverseComplement(self):
          
          quality = None if self.quality is None else self.quality[::-1]
          sequence = self.sequence.translate(self.COMPLEMENT_TABLE)[::-1]
          return self.__class__(self.id, sequence, quality)
docs: Reverse complement a nucleotide sequence.
  
          @return: The reverse complemented sequence as an instance of the
              current class.