21 lines
340 B
Python
21 lines
340 B
Python
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#!/usr/bin/env python
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import itertools
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from typing import Iterator
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def fibo() -> Iterator[int]:
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a, b = 0, 1
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while True:
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yield a
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a, b = b, a + b
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def main():
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even_fibo_numbers = (x for x in fibo() if x % 2 == 0)
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print(sum(itertools.islice(even_fibo_numbers, 100)))
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if __name__ == "__main__":
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main()
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