126.md

@author jackzhenguo
@desc 
@date 2019/11/23

126 斐波那契数列前n项

def fibonacci(n):
    a, b = 1, 1
    for _ in range(n):
        yield a
        a, b = b, a + b


list(fibonacci(5))  # [1, 1, 2, 3, 5]

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