def getships(Ships:String):List[String]={
    var shiplist=List[String]()
    for(i<-0 until Ships.length){
      if(Ships.charAt(i)=='x'){
        shiplist=shiplist:::List(s"${Ships(i-1)}${Ships(i)}${Ships(i+1)}")
      }
    }
    println(shiplist)

    return shiplist
  }