Python/project_euler/problem_25/sol2.py
2019-02-21 00:57:48 +08:00

11 lines
184 B
Python

def fibonacci_genrator():
a, b = 0,1
while True:
a,b = b,a+b
yield b
answer = 1
gen = fibonacci_genrator()
while len(str(next(gen))) < 1000:
answer += 1
assert answer+1 == 4782