Import module in Python

Import in python is similar to #include header_file in C/C++. Python modules can get access to code from another module by importing the file/function using import. The import statement is the most common way of invoking the import machinery, but it is not the only way.

import module_name
When import is used, it searches for the module initially in the local scope by calling __import__() function. The value returned by the function are then reflected in the output of the initial code.

import math




import module_name.member_name
In the above code module math is imported, and its variables can be accessed by considering it to be a class and pi as its object.
The value of pi is returned by __import__().
pi as whole can be imported into our intial code, rather than importing the whole module.

from math import pi
# Note that in the above example, 
# we used math.pi. Here we have used
# pi directly.




from module_name import *
In the above code module math is not imported, rather just pi has been imported as a variable.
All the functions and constants can be imported using *.

from math import *



As said above import uses __import__() to search for module, and if not found, it would raise ImportError

import mathematics


Traceback (most recent call last):
  File "C:/Users/GFG/Tuples/", line 1, in 
    import mathematics
ImportError: No module named 'mathematics'

This article is contributed by Piyush Doorwar. If you like GeeksforGeeks and would like to contribute, you can also write an article using or mail your article to See your article appearing on the GeeksforGeeks main page and help other Geeks.

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