/**
 * This function adds a new instrument to the musician's collection.
 *
 * @param musician A list representing the musician.
 * @param instrument A string representing the new instrument.
 * @return The updated musician list with the new instrument added.
 */
fun addInstrument(musician: MutableList<String>, instrument: String): MutableList<String> {

    musician.add(instrument)
    return musician
}
/**
 * This function adds a new instrument to the musician's collection.
 *
 * @param musician A list representing the musician.
 * @param instrument A string representing the new instrument.
 * @return The updated musician list with the new instrument added.
 */
fun addInstrument(musician: MutableList<String>, instrument: String): MutableList<String> {
/**
 * This function adds a new instrument to the musician's collection.
 *
 * @param musician A list representing the musician.
 * @param instrument A string representing the new instrument.
 * @return The updated musician list with the new instrument added.
 */
fun addInstrument(musician: MutableList<String>, instrument: String): MutableList<String> {

    musician.add(instrument)
    return musician
}