input: from typing import Set
  
  def intersection(set1: Set[int], set2: Set[int]) -> Set[int]:
      """ Generate a python program that takes two sets of integers as input and 
      outputs the intersection of those sets.
      
      >>> intersection({1, 2, 3, 4}, {3, 4, 5, 6})
      {3, 4}
      """
output:     return set1 & set2