markdown test

こんにちわ、muyuです

print("hello world")
let x = 1 + 2
print(x)

class Car {
    private(set) var restOfFuel: Float
    let name: String
    init(amountOfFuel: Float, name: String) {
        restOfFuel = amountOfFuel
        self.name = name
    }

    func useFuel(_ amountForUse: Float) {
        guard amountForUse <= restOfFuel else {
            print("lack of fuel!")
            return 
        }
        self.restOfFuel -= amountForUse
    }
}

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