The third article in this series, " Exploring the Python type hierarchy, Introducing Strings," introduces the Python string, which is also an immutable sequence, but only for character data.

本系列的第三篇文章 探索 Python 类型的层次结构 —— 使用字符串 介绍了 Python string，这也是一个不可变的序列，但仅针对字符数据。

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After dumping out his toolbox in the time it takes most singer-songwriters to make sure the microphone is on, Bathgate spends the rest of "Serpentine" fiddling with his toys, introducing strings and yet more sad piano sounds as he goes along.

NPR: Melancholy Gloom, Beautiful and Bruised