input: from typing import List, Set
  
  def unionList(list1: List[int], list2: List[int]) -> Set[int]:
      """Find the union of two lists and return the result as a set.
      
      >>> unionList([1, 2, 3, 4, 5], [3, 4, 5, 6, 7])
      {1, 2, 3, 4, 5, 6, 7}
      >>> unionList([10, 20, 30], [40, 50])
      {10, 20, 30, 40, 50}
      """
      return set(list1 + list2)
output:     return set(list1 + list2)