Module: A .py file containing variables, class, definitions, statements and functions related to a particular task.

   Structure:-

         Docstrings   

          Variables and constants

           Classes

            Objects

            Statements

            Functions

 

Library is a folder containing modules.

Package is a library with __init__.py in it

 

random module: random() returns floating point number beween 0.0 and 1.0

                                 To generate random floating point number between a and b

                                    random().random()*(b-a)+a

                                 randint(a,b) generates random integer between a and b

 

urllib module lets user get http responses or import data by opening webpage using python.

urlib stands for the jk