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21.Python Built-in Modules

Python Built-in Modules:
The Python interpreter has various number of built-in functions which are loaded automatically when the interpreter starts and are always available.
    In addition to built-in functions, a large number of pre-defined functions are also available as a part of libraries bundled with Python distributions.
    In short,A module is a file containing definitions of functions, classes, variables, constants or any other Python objects. Contents of the file are made available to any other program.A module is defined as a software component that contains one or more routines.

    In simple words, modules contains code that has already been written that can be reused in the program.
The most used modules are:
  • calendar
  • math
  • random
In order to use the existing module,'import' keyword is used.
syntax:
import module_name
eg:
import math
import calendar
import random

In order to know more about Python modules,check out the video below!
Happy Learning!!

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