input: def find_intersection_sorted(l1: list, l2: list):
      """Retrieve and return a sorted list of unique elements found in both input lists.
      >>> find_intersection_sorted([1, 4, 3, 34, 653, 2, 5], [5, 7, 1, 5, 9, 653, 121])
      [1, 5, 653]
      >>> find_intersection_sorted([5, 3, 2, 8], [3, 2])
      [2, 3]
  
      """
output:     
      # Convert lists to sets to get unique elements and then find the intersection.
      intersection = set(l1) & set(l2)
      # Convert the set back to a list and sort it.
      return sorted(intersection)
  