def fib(n):
a, b = 0, 1
for _ in range(n):
yield a
a, b = b, a + b
print(list(fib(10)))
ZGVmIGZpYihuKToKICAgIGEsIGIgPSAwLCAxCiAgICBmb3IgXyBpbiByYW5nZShuKToKICAgICAgICB5aWVsZCBhCiAgICAgICAgYSwgYiA9IGIsIGEgKyBiCgpwcmludChsaXN0KGZpYigxMCkpKQo=
[0, 1, 1, 2, 3, 5, 8, 13, 21, 34]