How to use help function in python

The help() function is used to view detailed descriptions of the purpose of a function or module.

help Syntax:

help([object])

Parameters: object -- object;

Return value: Return object help information .

The following examples show how to use help:

>>>help('sys')             # 查看 sys 模块的帮助
……显示帮助信息……
 
>>>help('str')             # 查看 str 数据类型的帮助
……显示帮助信息……
 
>>>a = [1,2,3]>>>help(a)                 # 查看列表 list 帮助信息
……显示帮助信息……
 
>>>help(a.append)          # 显示list的append方法的帮助
……显示帮助信息……

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