docs: def group(iterable):
      """
      Creates a min/max grouping for the inputted list of numbers.  This
      will shrink a list into the group sets that are available.
      
      :param      iterable | <iterable> | (list, tuple, set, etc.)
      
      :return     <generator> [(<int> min, <int> max), ..]
      """
      numbers = sorted(list(set(iterable)))
      for _, grouper in itertools.groupby(numbers, key=lambda i, c=itertools.count(): i - next(c)):
          subset = list(grouper)
          yield subset[0], subset[-1]