【HC】Python的help用法
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python的help用法
一、进入交互模式
打开cmd命令行窗口，输入python效果如下：
D:\Company\Code\python>python
Python 2.7.14 (v2.7.14:84471935ed, Sep 16 2017, 20:19:30) [MSC v.1500 32 bit (In
tel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>
二、使用help()查看帮助
1、输入help(raw_input)查看，效果如下:
>>> help(raw_input)
Help on built-in function raw_input in module __builtin__:
raw_input(...)
raw_input() -> string
Read a string from standard input.The trailing newline is stripped.
If the user hits EOF (Unix: Ctl-D, Windows: Ctl-Z+Return), raise EOFError.
On Unix, GNU readline is used if enabled.The prompt string, if given,
is printed without a trailing newline before reading.
2、输入help(input)查看，效果如下:
>>> help(input)
Help on built-in function input in module __builtin__:
input(...)
input() -> value
Equivalent to eval(raw_input(prompt)).
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