Rudi Szuber v2

import Swift

func sum(a: Double, b: Double) -> Double {
  return a + b;
}



//print(sum(a: a, b: b))
print("--- KALKULATOR SWIFT ---")
print("Podaj a:")
let a = readLine()
print("Podaj b:")
let b = readLine()
print("Wybiarz pole oraz obwod ktorej figury chcesz liczyc:")
print("1. Kwadrat")
print("2. Trojkat")
print("3. Trapez")

let result: Double?
let index = readLine()
switch index {
  case "1" :
    result = Double(a!)
    print( "Pole: \(result!)")
    print( "Obwod: \(result!)")
  case "2" :
    print( "2. Trojkat")
  case "3" :
    print( "3. Trapez")
  default:
    print( "3. Trapez")
}