/**
 * Given two sets, find their intersection and return it.
 */
fun intersectionOfSets(set1: Set<Int>, set2: Set<Int>): Set<Int> {

    val intersectionSet = set1.intersect(set2)
    return intersectionSet
}
/**
 * Given two sets, find their intersection and return it.
 */
fun intersectionOfSets(set1: Set<Int>, set2: Set<Int>): Set<Int> {
/**
 * Given two sets, find their intersection and return it.
 */
fun intersectionOfSets(set1: Set<Int>, set2: Set<Int>): Set<Int> {

    val intersectionSet = set1.intersect(set2)
    return intersectionSet
}