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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # Python 3.2+ # Python 3.2及以后版本 我們來實現一個斐波那契計算器,并使用`lru_cache`。 ~~~ from functools import lru_cache @lru_cache(maxsize=32) def fib(n): if n < 2: return n return fib(n-1) + fib(n-2) >>> print([fib(n) for n in range(10)]) # Output: [0, 1, 1, 2, 3, 5, 8, 13, 21, 34] ~~~ 那個`maxsize`參數是告訴`lru_cache`,最多緩存最近多少個返回值。 我們也可以輕松地對返回值清空緩存,通過這樣: ~~~ fib.cache_clear() ~~~
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