help

The help() method calls the built-in Python help system. General Syntax:

help(object)

help related to a function

To get help relate to sqrt function in math module.

• Import the math Module
• Pass sqrt function as argument to help function

>>> import math
>>> help(math.sqrt)
Help on built-in function sqrt in module math:

sqrt(...)
    sqrt(x)

    Return the square root of x.

help relate to a module

Get help related to math module

>>> import math                                                 
>>> help(math)                                                  
Help on built-in module math:                                   

NAME                                                            
    math                                                        

DESCRIPTION                                                     
    This module is always available.  It provides access to the
    mathematical functions defined by the C standard.           

FUNCTIONS                                                       
    acos(...)                                                   
        acos(x)                                                 

        Return the arc cosine (measured in radians) of x.       

    acosh(...)                                                  

Note: Press q to quit the prompt

interactive use.

The help() method is used for interactive use.

>>> help()

Welcome to Python 3.6's help utility!
help> print                                                                             
Help on built-in function print in module builtins:                                     

print(...)                                                                              
    print(value, ..., sep=' ', end='\n', file=sys.stdout, flush=False)                  

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