code: def unflat_take(items_list, unflat_index_list):
      r
      return [unflat_take(items_list, xs)
              if isinstance(xs, list) else
              take(items_list, xs)
              for xs in unflat_index_list]
docs: r"""
      Returns nested subset of items_list
  
      Args:
          items_list (list):
          unflat_index_list (list): nested list of indices
  
      CommandLine:
          python -m utool.util_list --exec-unflat_take
  
      SeeAlso:
          ut.take
  
      Example:
          >>> # DISABLE_DOCTEST
          >>> from utool.util_list import *  # NOQA
          >>> items_list = [1, 2, 3, 4, 5]
          >>> unflat_index_list = [[0, 1], [2, 3], [0, 4]]
          >>> result = unflat_take(items_list, unflat_index_list)
          >>> print(result)
          [[1, 2], [3, 4], [1, 5]]