def Cook(i1: String, i2: String, f: String => Unit) {
    println("get the " + i1)
    f(i1)
    f(i2)
  }
  
  Cook("lobster", "water", x => println("pot " + x))
  Cook("chicken", "coconut", x => println("boom " + x))

  List(1,2,3).sum
  List(1,2,3).mkString
  List(1,2,3).map(println) // or more verbose List(1,2,3).map(x => println(x))