code: def human(self):
          
          strout = ''
          first = True
          for i in range(0, 28, 2):
              if first:
                  first = False
              else:
                  strout = strout + '.'
              strout = strout + self.hex[i:i + 2]
          return strout
docs: Emit the address in human-readible format (AA.BB.CC).