/**
 * Given two lists of artists, returns the common artists between the two.
 *
 * @param artists1 The first list of artists
 * @param artists2 The second list of artists
 * @return A set of common artists between the two lists
 */
fun commonArtists(artists1: List<String>, artists2: List<String>): Set<String> {

    return artists1.toSet().intersect(artists2.toSet())
}
/**
 * Given two lists of artists, returns the common artists between the two.
 *
 * @param artists1 The first list of artists
 * @param artists2 The second list of artists
 * @return A set of common artists between the two lists
 */
fun commonArtists(artists1: List<String>, artists2: List<String>): Set<String> {
/**
 * Given two lists of artists, returns the common artists between the two.
 *
 * @param artists1 The first list of artists
 * @param artists2 The second list of artists
 * @return A set of common artists between the two lists
 */
fun commonArtists(artists1: List<String>, artists2: List<String>): Set<String> {

    return artists1.toSet().intersect(artists2.toSet())
}