Modules are Python files that contain a lot of built-in code (variables, functions, etc) that you can use to speed up the writing of your programs. In order to use a module you have to import it. You import a module by using the
import keyword followed by the name of the module:
You can import more than one module at the time; put commas between the module names.
Let’s take an example:
import math print(math.sqrt(25))
We import the
math module which will output the square root of 25.
Another way to import the math module is as follows:
>>> import math as m >>> pi = m.pi >>> print(pi) 3.14159265359 >>>
Now, you can use
m instead of
You can also import just a function within a module. For example you can just import
from math import sqrt