def getSquare(number: Int): Int = {
    number*number
}

def Demo(number: Int, expected: Int): Unit = {
    val result = getSquare(number)
    assert(result==expected,"data Expected "+result)
    println("methtic result:"+result)
}


// Demo(5,20)

val ver = Vector(getSquare(5),getSquare(4))
println(ver)