code: def simplify(self):
          
  
          # Sort the ranges
          self.__range.sort()
  
          new_range = []
          new_first = self.__range[0].first
          new_count = self.__range[0].count
  
          for r in self.__range:
              if r.first == new_first:
                  # Longest range starting at new_first
                  new_count = r.count
              elif r.first <= new_first + new_count:
                  # Overlapping ranges
                  if new_first + new_count - 1 < r.last:
                      # There is a part of the range to add to the new range
                      new_count = r.last - new_first + 1
              else:
                  # No overlap, this is a new disjoint range
                  new_range.append(IdRange(new_first, new_count))
                  new_first = r.first
                  new_count = r.count
  
          # End of the last range
          new_range.append(IdRange(new_first, new_count))
  
          self.__range = new_range
docs: Reorganize the ranges in the set in order to ensure that each range
          is unique and that there is not overlap between to ranges.