learn programming :)

getMilk Function

func getMilk(howManyMilkCartond : Int, howMuchMoneyRobotWasGiven : Int) -> Int {
        print("go to the shops")
        print("buy \(howManyMilkCartond) cartons of milk")
    
    
        let priceToPay = howManyMilkCartond * 2

        print("pay \(priceToPay) dolars")
        print("come home")
    
        let change = howMuchMoneyRobotWasGiven - priceToPay
    
    return change
}

//callin the getMilk function
var amountOfChange = getMilk(howManyMilkCartond: 13, howMuchMoneyRobotWasGiven: 50)

print("I'm back Borys and here is Your \(amountOfChange) dolars change.")