import UIKit

func averageFuelConsumptionInLitersPer100KM(liters: Double, km: Double) -> Double {
    //For example: 57 litres / 635 km * 100 = 8.98l/100km.
    return (liters / km) * 100
}
print(averageFuelConsumptionInLitersPer100KM(liters: 57, km: 635))







func addingDisFuelandData(distance: Double, fuel: Double, data: String) -> Double {
        return fuel
}

func addingDisFuelandData1(distance: Double, fuel: Double, data: String) -> Double {
        return fuel
}

let averageFuel = addingDisFuelandData1(distance: 900, fuel: 100, data: "10.03.2021") -
addingDisFuelandData1(distance: 900, fuel: 10, data: "11.02.2021")

print(averageFuel)

//Another way

var distanceInKM: Double = 0.0
var fuelInLiters: Double = 0.0
var today: String  = ""

func addDistance(distance: Double) {
    distanceInKM += distance
}
print(distanceInKM)
addDistance(distance: 1000)
print(distanceInKM)

func addFuel(fuel: Double) {
    fuelInLiters += fuel
}
print(fuelInLiters)
addFuel(fuel: 100)
print(fuelInLiters)

func addData(data: String){
    today = data
}
print(today)
addData(data: "1233333333")
print(today)







func litersPer100KmToMPG(liters: Double) -> Double {
   //1 liter per 100 kilometers equals 235.2 US MPG or 282.5 Imperial MPG
    let literPerMPG: Double = 235.2
    return liters * literPerMPG
}
//print(litersPer100KmToMPG(liters: 2))

func averagePricePerKm(fuelPricePerLiter: Double) -> Double {
    //pricePerLiter = 2.21 lv
    let liter: Double = 10.0
    let priceForTravel100Km = fuelPricePerLiter * liter
    let averagePricePerKm = priceForTravel100Km / 100
    return averagePricePerKm
}
//print(averagePricePerKm(fuelPricePerLiter: 2.21))



func printFuelConsumtionAndDateOfFueling() {
    let fuelConsumtion = averageFuelConsumptionInLitersPer100KM(liters: 57, km: 635)
    let dateOfFueling = "06.09.2021"
    print(String(format: "%0.2f, %@", fuelConsumtion, dateOfFueling))
}
//printFuelConsumtionAndDateOfFueling()