ExchangeRate class

class ExchangeRate {
    let fromCurrency: String
    let toCurrency: String
    
    let baseAmount: UInt
    var rate: Float
    
    init(from: String, to: String, base: UInt, rate: Float) {
        fromCurrency = from
        toCurrency = to
        baseAmount = base
        self.rate = rate
    }
    
    var description : String {
        return ("\(baseAmount) \(fromCurrency) = \(rate) \(toCurrency)")
    }
}

var exchangeRateTable: [ExchangeRate] = []

var chfToEuro: ExchangeRate = ExchangeRate(from: "CHF", to: "EURO", base: 1, rate: 1.15)
var chfToUsd: ExchangeRate = ExchangeRate(from: "CHF", to: "USD", base: 1, rate: 0.98)
var chfToGbp: ExchangeRate = ExchangeRate(from: "CHF", to: "GBP", base: 1, rate: 1.35)
var euroToJpy: ExchangeRate = ExchangeRate(from: "EURO", to: "JPY", base: 1, rate: 1045)
var euroToGbp: ExchangeRate = ExchangeRate(from: "EURO", to: "GBP", base: 1, rate: 1.25)
var jpyToEuro: ExchangeRate = ExchangeRate(from: "JPY", to: "EURO", base: 1000, rate: 1.11)

var exchangeRateTable2: [ExchangeRate] = []

var usdToChf: ExchangeRate = ExchangeRate(from: "USD", to: "CHF", base: 1, rate: 0.99)
var gbpToChf: ExchangeRate = ExchangeRate(from: "GBP", to: "CHF", base: 1, rate: 1.23)
var chfToJpy: ExchangeRate = ExchangeRate(from: "CHF", to: "JPY", base: 1, rate: 108.61)

exchangeRateTable.append(ExchangeRate(from: "CHF", to: "EURO", base: 1, rate: 1.15))

exchangeRateTable.append(chfToEuro)
exchangeRateTable.append(chfToUsd)
exchangeRateTable.append(chfToGbp)
exchangeRateTable.append(euroToJpy)
exchangeRateTable.append(euroToGbp)
exchangeRateTable.append(jpyToEuro)

exchangeRateTable.append(usdToChf)
exchangeRateTable.append(gbpToChf)
exchangeRateTable.append(chfToJpy)

for line in exchangeRateTable {
    print(line.description)
}