/**
 * Function to check if a dancer is not in the list of dancers.
 *
 * @param dancer The name of the dancer to check.
 * @param dancersList List of dancers.
 * @return True if the dancer is not in the list, False otherwise.
 */
fun checkDancer(dancer: String, dancersList: List<String>): Boolean {

    // Check if the dancer is not in the list using the '!' operator
    return dancer !in dancersList
}
/**
 * Function to check if a dancer is not in the list of dancers.
 *
 * @param dancer The name of the dancer to check.
 * @param dancersList List of dancers.
 * @return True if the dancer is not in the list, False otherwise.
 */
fun checkDancer(dancer: String, dancersList: List<String>): Boolean {
/**
 * Function to check if a dancer is not in the list of dancers.
 *
 * @param dancer The name of the dancer to check.
 * @param dancersList List of dancers.
 * @return True if the dancer is not in the list, False otherwise.
 */
fun checkDancer(dancer: String, dancersList: List<String>): Boolean {

    // Check if the dancer is not in the list using the '!' operator
    return dancer !in dancersList
}