code: def _maxscore(self):
          
          total = 0
          lowtot= 0
          for lli in self.ll:
              total = total + max(lli.values())
              lowtot= lowtot+ min(lli.values())
          self.maxscore = total
          self.minscore = lowtot
docs: m._maxscore() -- Sets self.maxscore and self.minscore