# coding=utf-8
import time


def fibo(num):
x, y, z = 0, 0, 1
yield z
while x < num:
x += 1
y, z = z, y + z
yield z
if __name__=="__main__":
t = time.time()
for i in fibo(100000):
pass
print(time.time() - t)

1.0970628261566162

fibo(100000)这个计算完要 1 秒多，呵呵

用来用去还是 TortoiseGit 简单