input: from typing import Set
  
  def intersection(set1: Set[int], set2: Set[int]) -> Set[int]:
      """ Compute the intersection of two sets of integers. """
      return set1 & set2
  
  # Example usage:
  set1 = {1, 2, 3, 4}
  set2 = {3, 4, 5, 6}
  result = intersection(set1, set2)
  print(result)  # Output should be {3, 4}
output:     return set1 & set2