type Samochod=(String,String,Int)
def Samochody(x:Samochod*)=List(x:_*)
val x=Samochody(new Samochod("Opel", "astra", 1999), new Samochod("Renault", "megane", 2004), new Samochod("Opel", "corsa", 2009), new Samochod("Nissan","micra", 2003))
val x2=Samochody(new Samochod("Opel", "astra", 1999),new Samochod("Opel", "astra", 1999),new Samochod("Opel", "astra", 1999),new Samochod("Opel", "astra", 1999))
val x3=List();
def countFun(x:List[Samochod])=x.map(el=>(el._1,x.count(p=>p._1==el._1)))

countFun(x)
countFun(x2)
countFun(x3)