问未解析的引用: removeAt()

EN

fun main() {
 val nums = mutableListOf(-3, 167, 0, 9, 212, 3, 5, 665, 5, 8) // this is just a list
 var newList = nums.sorted() // this is the sorted list
 var finall = mutableListOf<Int>() // this is an empty list that will contain all the removed elements 
 for(i in 1..3) {
     var min: Int = newList.removeAt(0) // element removed from newList is saved from min variable
     // above line is producing the error 
     
     finall.add(min) // then the min variable is added to the empty list created before
     
 }
 
 println(finall)
 println(newList)

 
}