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Title: Exporting Python Functions: A Comprehensive Tutorial
Introduction:
Exporting functions in Python allows you to share and reuse code across different modules or even external projects. In this tutorial, we'll explore various ways to export Python functions, including using modules, packages, and decorators.
Exporting Functions with Modules:
Modules are a fundamental way to organize and reuse code in Python. Let's create a simple module named math_operations.py that contains a function called add_numbers.
Now, you can use this module in another script:
Exporting Functions with Packages:
Packages provide a way to organize multiple modules into a hierarchical directory structure. Create a package named my_package with a module named calculator.py inside it.
To use this package in another script:
Exporting Functions with Decorators:
Decorators are a powerful tool in Python for modifying the behavior of functions. We can create a decorator that logs function calls.
Apply the decorator to a function:
This will print:
Exporting Functions with __init__.py:
To make a directory a Python package, you can include an empty file named __init__.py inside it. This file can be used to execute package-level initialization code.
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