fix: feedback ex3

src/main/scala/TopSongs/TopSongs.scala

@@ -83,26 +83,22 @@ case class TopSongs(songs: List[Song] = List()) {
     TopSongs(song :: songs)
   }
   def printSongs(): Unit = {
-    songs.foreach(song => {
+    songs.map(song => {
       val title = song.title
       val singer = song.singer
       val producers = song.producer.map(_.create()).mkString(", ")
       val streak = song.rank._1.streak.getOrElse("no")
       val pos = song.rank._2.pos.getOrElse("NA")
 
-      if (singer.exists(a => {
-        a.isInstanceOf[God]
-      })) {
-        println(s"$title by God ${singer.map(_.person.name).mkString(", ")} spent $streak weeks on the charts on Pos. $pos")
-      } else {
-        println(
+      singer match {
+        case s if s.exists(_.person.isInstanceOf[God]) => println(s"$title by God ${singer.map(_.person.name).mkString(", ")} spent $streak weeks on the charts on Pos. $pos")
+        case _ => println(
           s"$title by ${singer.map(_.person.name).mkString(", ")}. " +
             s"$producers this song that " +
             s"spent $streak weeks " +
             s"on the charts on Pos. $pos"
         )
       }
-
     })
   }
 }