While enumerations are a built-in part of many programming languages, Scala takes a different route and implements them as a class in its standard library.
虽然枚举是许多程序语言的内置支持，Scala走了一条不同的路，把它作为标准库的一个类来实现。
Almost all of the modules in Python 2.0's standard library are covered, but the coverage is not aimed at documenting every constant, function, and class inside each module.
本书几乎涵盖了所有Python 2.0的标准库模块，但这种涵盖的目的不是记录每个模块中的每个常数、函数和类。
This time, the list of methods is for the String class, which is in the Standard library.
此时，方法列表是针对string类的，它在standard库中。
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