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查看文档是一个程序员的基本功,这里简单介绍几种查看Python文档的方法,下面以struct模块为例。
1.help
在交互模式下,help函数是获取文档的好帮手,使用非常简单。
>>> import struct >>> help(struct) Help on module struct: NAME struct DESCRIPTION Functions to convert between Python values and C structs. Python bytes objects are used to hold the data representing the C struct and also as format strings (explained below) to describe the layout of data in the C struct. The optional first format char indicates byte order, size and alignment: @: native order, size & alignment (default) =: native order, std. size & alignment <: little-endian, std. size & alignment >: big-endian, std. size & alignment !: same as > The remaining chars indicate types of args and must match exactly; these can be preceded by a decimal repeat count: x: pad byte (no data); c:char; b:signed byte; B:unsigned byte; ?: _Bool (requires C99; if not available, char is used instead) h:short; H:unsigned short; i:int; I:unsigned int;
2.__doc__
__doc__是每个对象都有的属性,其存放了对象文档。
3.离线文档
安装Python时会自带一个chm格式的离线文档Python documention,该文档的信息比较全。
4.离线模块文档
Python针对模块还有一个单独的文档,该文档在浏览器中查看。
5.在线文档。
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