fib.py

#!/usr/bin/env python3


def fib(n):
    res = [1,1]
    for i in range(n):
        res.append(sum(res[-2:]))
    return res


def main():
    seq = fib(20)
    for s1, s2 in zip(seq, seq[1:]):
        print(s2 / s1)


if __name__ == "__main__":
    main()