/**
 * This function takes a set of actors and an actor name as parameters, and adds the actor to the set.
 *
 * @param actorsSet A set containing the names of actors.
 * @param actor The name of the actor to be added to the set.
 * @return The updated set after adding the given actor.
 */
fun addActorToSet(actorsSet: MutableSet<String>, actor: String): MutableSet<String> {

    actorsSet.add(actor)
    return actorsSet
}
/**
 * This function takes a set of actors and an actor name as parameters, and adds the actor to the set.
 *
 * @param actorsSet A set containing the names of actors.
 * @param actor The name of the actor to be added to the set.
 * @return The updated set after adding the given actor.
 */
fun addActorToSet(actorsSet: MutableSet<String>, actor: String): MutableSet<String> {
/**
 * This function takes a set of actors and an actor name as parameters, and adds the actor to the set.
 *
 * @param actorsSet A set containing the names of actors.
 * @param actor The name of the actor to be added to the set.
 * @return The updated set after adding the given actor.
 */
fun addActorToSet(actorsSet: MutableSet<String>, actor: String): MutableSet<String> {

    actorsSet.add(actor)
    return actorsSet
}