input: from typing import List
  
  
  def unionList(list1: List[int], list2: List[int]) -> List[int]:
      """ Given two lists, find the union of both lists (i.e., a list of all unique elements
      from both lists).
      >>> unionList([1, 2, 3, 4, 5], [3, 4, 5, 6, 7])
      [1, 2, 3, 4, 5, 6, 7]
      >>> unionList([10, 20, 30], [30, 40, 50])
      [10, 20, 30, 40, 50]
      """
      return list(set(list1 + list2))
output:     return list(set(list1 + list2))