code: def _print_ll(self):
          
          print "#  ",
          for i in range(self.width):
              print "  %4d   "%i,
          print
          for L in ['A', 'C', 'T', 'G']:
              print "#%s "%L,
              for i in range(self.width):
                  print  "%8.3f "%self.ll[i][L],
              print
docs: m._print_ll() -- Print log-likelihood (scoring) matrix