Questions tagged «setdefault»

16
'setdefault'dict方法的用例
加入collections.defaultdict在Python 2.5大大降低用于需要dict的setdefault方法。这个问题是针对我们的集体教育: 什么是setdefault仍然有用,今天在Python 2.6 / 2.7? setdefault取代了哪些流行的用例collections.defaultdict?
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