/**
 * This function takes in two sets of photos and returns the common subjects captured by both photographers.
 *
 * @param photos1 The set of photos captured by the first photographer
 * @param photos2 The set of photos captured by the second photographer
 * @return The set of common subjects captured by both photographers
 */
fun findCommonSubjects(photos1: Set<String>, photos2: Set<String>): Set<String> {

    val commonSubjects = photos1.intersect(photos2)
    return commonSubjects
}
/**
 * This function takes in two sets of photos and returns the common subjects captured by both photographers.
 *
 * @param photos1 The set of photos captured by the first photographer
 * @param photos2 The set of photos captured by the second photographer
 * @return The set of common subjects captured by both photographers
 */
fun findCommonSubjects(photos1: Set<String>, photos2: Set<String>): Set<String> {
/**
 * This function takes in two sets of photos and returns the common subjects captured by both photographers.
 *
 * @param photos1 The set of photos captured by the first photographer
 * @param photos2 The set of photos captured by the second photographer
 * @return The set of common subjects captured by both photographers
 */
fun findCommonSubjects(photos1: Set<String>, photos2: Set<String>): Set<String> {

    val commonSubjects = photos1.intersect(photos2)
    return commonSubjects
}