scala

object object17 {
  def main(args:Array[String]):Unit={
    var sum:Double = 0
    var i = 1
    while(i <= 19){
      if(1%2==1){
        sum+=1.0/i
      }else{
        sum = sum + 1.0/ i
      }
      i += 1
    }
    print(s"sum=${sum}")
  }
}