Why my output is incerect

Question

My output is the same is the expected output so why my output is incerect . This is my code :class MusicPlayer {
private var songs: Array<String> = arrayOf()
//your code goes here
fun add(valu: String ){
songs += valu
}

fun show(){
for (x in songs ){
println(x)
}
}
fun play (){
println ("playng " + songs[0] )
}
}
fun main(args: Array<String>) {
val m = MusicPlayer()

while(true) {
var input = readLine()!!
if(input == "stop") {
break
}
m.add(input)
}
m.show()
m.play()
}

Answer 1

Have a look at the spelling:

fun play(){
println("Playing "+songs[0])

Upper case "P" and a missing "i" in "Playing"