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                Python提供了大量的內置數據結構,包括列表,集合以及字典。大多數情況下使用這些數據結構式很簡單的。但是,我們也會經常碰到到諸如查詢,排序和過濾等等這些普遍存在的問題。因此,這一章的目的就是討論這些比較常見的問題和算法。另外,我們也會給出在集合模塊collections當中操作這些數據結構的方法。
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