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                # Python 2+ # Python 2系列版本 你可以創建任意種類的緩存機制,有若干種方式來達到相同的效果,這完全取決于你的需要。 這里是一個一般的緩存: ~~~ from functools import wraps def memoize(function): memo = {} @wraps(function) def wrapper(*args): if args in memo: return memo[args] else: rv = function(*args) memo[args] = rv return rv return wrapper @memoize def fibonacci(n): if n < 2: return n return fibonacci(n - 1) + fibonacci(n - 2) fibonacci(25) ~~~ 這里有一篇[Caktus Group的不錯的文章](https://www.caktusgroup.com/blog/2015/06/08/testing-client-side-applications-django-post-mortem/),在其中他們發現一個Django框架的由lru_cache導致的bug。讀起來很有意思。一定要打開去看一下。
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