def get_indices_of_item_wights(arr, limit):
  hash_table = {}
  for i, num in enumerate(arr):
    complement = limit-num
    if complement in hash_table.keys():
      j = hash_table[complement]
      if i > j:
        result = [i, j]
      else:
        result = [j, i]
      return result
    hash_table[num] = i
  return []