/**
 * Given two sets, add the elements of set2 to set1.
 *
 * @param set1 The first set.
 * @param set2 The second set.
 * @return The updated set1 after adding the elements of set2.
 */
fun setAddition(set1: MutableSet<Any>, set2: Set<Any>): MutableSet<Any> {

    set1.addAll(set2)
    return set1
}
/**
 * Given two sets, add the elements of set2 to set1.
 *
 * @param set1 The first set.
 * @param set2 The second set.
 * @return The updated set1 after adding the elements of set2.
 */
fun setAddition(set1: MutableSet<Any>, set2: Set<Any>): MutableSet<Any> {
/**
 * Given two sets, add the elements of set2 to set1.
 *
 * @param set1 The first set.
 * @param set2 The second set.
 * @return The updated set1 after adding the elements of set2.
 */
fun setAddition(set1: MutableSet<Any>, set2: Set<Any>): MutableSet<Any> {

    set1.addAll(set2)
    return set1
}