/**
 * Given an article and new text, appends the new text to the article
 * using the addition assignment operator.
 *
 * @param article The original article.
 * @param newText The new text to be appended.
 * @return The updated article with the new text.
 */
fun addText(article: String, newText: String): String {

    var updatedArticle = article
    updatedArticle += newText
    return updatedArticle
}
/**
 * Given an article and new text, appends the new text to the article
 * using the addition assignment operator.
 *
 * @param article The original article.
 * @param newText The new text to be appended.
 * @return The updated article with the new text.
 */
fun addText(article: String, newText: String): String {
/**
 * Given an article and new text, appends the new text to the article
 * using the addition assignment operator.
 *
 * @param article The original article.
 * @param newText The new text to be appended.
 * @return The updated article with the new text.
 */
fun addText(article: String, newText: String): String {

    var updatedArticle = article
    updatedArticle += newText
    return updatedArticle
}