colorsys — 在颜色系统之间转换
colorsys
The modules described in this chapter help you write software that is independent of language and locale by providing mechanisms for selecting a language to be used in program messages or by tailoring output to match local conventions.
此章描述的模块列表：
gettext
NullTranslations
GNUTranslations
locale
gettext — 多语言国际化服务
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