斐波那契数列--使用生成器
def getFbi(n):
def fib():
a = 1
b = 1
while True:
yield a
a, b = b, a + b
ret = 0
Fib = fib()
for i in range(0, n):
ret = next(Fib)
return ret
fbn = getFbi(100)
print(fbn)
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