fibonacci.swift

import Foundation

func fibonacci (until n: Int) -> [Int] {
    var num1 = 0
    var num2 = 1
    var fibonacciNumber = [Int]()
    for _ in 0...n {
        let temp = num1
        num1 = num1 + num2
        num2 = temp
        fibonacciNumber.append(num2)
    }
    return fibonacciNumber
}

print(fibonacci(until: 7))