python 哈希表get

在Python中，哈希表的get方法用于获取给定关键字的值。通过哈希表的原理，它可以在常数时间内完成查找操作。使用get方法，你可以根据关键字来获取对应的值。如果找不到该关键字，则可以指定一个默认值作为返回值。这个方法非常灵活，在处理字典和集合等数据结构时非常方便。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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