help文档阅读

方法一：

以time模块为例

C:\Program Files\cmder
λ python
Python 3.7.4 (tags/v3.7.4:e09359112e, Jul  8 2019, 20:34:20) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import time
>>> help(time)
Help on built-in module time:

>>> help(time.time)
Help on built-in function time in module time:

>>> help(time.time())
Help on float object:

方法二：

使用pydoc

C:\Program Files\cmder
λ python -m pydoc -p 1234
Server ready at http://localhost:1234/
Server commands: [b]rowser, [q]uit
server>

这条命令python -m pydoc -p 1234在本地启用了一个http server，端口1234

然后使用浏览器打开http://localhost:1234/阅读help文档。

方法三：

还是使用pydoc

C:\Program Files\cmder
λ python -m pydoc time
Help on built-in module time:

λ python -m pydoc time.time
Help on built-in function time in time: