Importing external modules and using them is very useful in python.
How to import math into python.
18 10 7 13 10 3 141592653589793 the import statement allows you to import one or more modules into your python program letting you make use of the definitions constructed in those modules.
From math import the asterisk is short for everything so in essence that command is exactly the same as import math which also imports the entire math module.
Here is a sample code in which we have imported the math module.
Python maths module is a standard module and is always available in python to do mathematical operation easy.
For example square root calculation import math math sqrt 4.
As a beginner you should know how to import module and use the functions defined in it.
To use mathematical functions under this module you have to import the module using import math.
You may also notice people importing a python module like this.
To refer to items from a module within your program s namespace you can use the from import statement.
But this is a subtle difference.
It gives access to the underlying c library functions.
In the first line import math you import the code in the math module and make it available to use.
To import math in python is give access to the mathematical functions which are defined by the c standard in this tutorial you will learn about some important math module functions with examples in python.
What is math module in python.
When you import modules this way you can refer to the functions by name.
Note that you write math pi and not just simply pi in addition to being a module math acts as a.
In the second line you access the pi variable within the math module math is part of python s standard library which means that it s always available to import when you re running python.
Python math pi constant math methods.
Import math library import math print the value of pi print math pi.