[Python] フィボナッチ数列をジェネレータで生成 ref: http://qiita.com/Qiuqiu/items/d0eddd1a804d3c66d5f3

fibonacci.py

def fibonacci(n):
    a, b = 0, 1
    for _ in range(n):
        yield a
        a, b = b, b+a

file1.txt

>>> for i in fibonacci(10): print(i, end=' ')
...
0 1 1 2 3 5 8 13 21 34

>>> [ i for i in fibonacci(15) ]
[0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377]