Python help() Function

Python 内置函数Python Built-in Functions

Description

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

Syntax

help syntax:

help([object])

Parameter description:

  • object -- object;

Return Value

Returns the help information for the object.

Example

The following example demonstrates how to use help:

>>>help('sys') # View help for the sys module......display help information...... >>>help('str') # View help for the str data type......display help information...... >>>a = [1,2,3] >>>help(a) # View help for list......display help information...... >>>help(a.append) # Display help for the append method of list......display help information......

Python 内置函数Python Built-in Functions

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