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More realistic lru_cache example #144517

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rhettinger merged 1 commit into from
Feb 5, 2026
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More realistic lru_cache example #144517

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4 changes: 2 additions & 2 deletions Doc/library/functools.rst
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Expand Up @@ -180,8 +180,8 @@ The :mod:`functools` module defines the following functions:
the *maxsize* at its default value of 128::

@lru_cache
def count_vowels(sentence):
return sum(sentence.count(vowel) for vowel in 'AEIOUaeiou')
def count_vowels(word):
return sum(word.count(vowel) for vowel in 'AEIOUaeiou')

If *maxsize* is set to ``None``, the LRU feature is disabled and the cache can
grow without bound.
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