Python选择元素的相关内容

问答 2021-11-02 来自：开发者社区

Python标准库random中sample(seq, k)方法作用是从序列中选择什么的k个元素呀？

问答 2021-11-02 来自：开发者社区

Python标准库random中的什么方法作用是从序列中随机选择1个元素的呀？

问答 2020-03-20 来自：开发者社区

如何在以python中的特定字符开头的字符串列表中选择特定数量的元素？

我有一个包含以以下日期开头的文件的列表： ["CITY_NAME_20170102", "CITY_NAME_20170103", ...] 现在，我想使用一行代码以这个此长列表中为每个特定城市仅选择特定年份。首先想到的只是运行一个for循环并编写一个if子句以遍历所有文件名，并仅附加以特定年份和城市开头的文件名。但是，我敢肯定有一种更简单的方法可以做到这一点。例如，是否有任何功能...

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更新时间 2022-08-29 11:06:42

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