Python 简明教程
Python - String Methods
Python 的内置 str 类定义了不同的方法。它们有助于处理字符串。由于字符串是不可变对象，因此这些方法返回原始字符串的副本，在此副本上执行各自的处理。字符串方法可以分为以下几个类别 −
Python’s built-in str class defines different methods. They help in manipulating strings. Since string is an immutable object, these methods return a copy of the original string, performing the respective processing on it. The string methods can be classified in following categories −
Case Conversion Methods
在 Python 的 str 类的内建函数方法中，处理字符串对象中字符的转换。这个类别中有以下的一些方法：
This category of built-in methods of Python’s str class deal with the conversion of alphabet characters in the string object. Following methods fall in this category −
Alignment Methods
str 中的 following 方法控制字符串对象中字符的对齐。
Following methods in the str class control the alignment of characters within the string object.
Split and Join Methods
Python 有一些方法执行拆分和连接操作：
Python has the following methods to perform split and join operations −