docs: def do_bucket(self, count=1):
          '''Set self.bucket and return results.
          :param count: Number of rolls to make
          :return: List of tuples (total of roll, times it was rolled)
          '''
          self._bucket = dict()
          for roll in self.roll.roll(count):
              self._bucket[roll] = self._bucket.get(roll, 0) + 1
          return self.bucket