Linear algebraic way of Fibonacci Sequence

main.py

def f(n):
    sqr_5 = 5**(1/2)
    first = ((1 + sqr_5)/2)**n
    second = ((1 - sqr_5)/2)**n
    return int((1/sqr_5)*(first - second))

if __name__ == '__main__':
    answer = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55]
    for i in range(1, 11):
        res = f(n=i)
        print(f"N = {i} -> {res} | Answer: {answer[i-1]}")