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An Introduction to Python Packages

Profile picture for user devanshi.srivastava
Written by devanshi.srivastava on 07/07/2021 - 19:46

In Python, we have modules for files and packages for directories. It is a hierarchical file directory structure that defines a single Python application environment that consists of modules and sub-packages and sub-sub-packages, and so on.

Packages are a way of structuring many packages and modules which helps in a well-organized hierarchy of data set, making the directories and modules easy to access.

A package can contain one or more relevant modules. It is actually a folder containing one or more module files. It is basically a directory with Python files and a file with the name __init__.py. This means that every directory inside of the Python path, which contains a file named __init__.py, will be treated as a package by Python. It's possible to put several modules into a Package.

Importing module from a package:

In Python, We can import packages using import keyword .

Example:

import math

Another way of importing just the required function (or class or variable) from a module within a package would be as follows:

Example:

from math import pi

While importing packages, Python looks in the list of directories defined in sys.path, similar as for module search path.

Related Content
Python Tutorial
Introduction to Python Module
Python: Namespace and Scope
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