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Learn Python Programming

You're reading from   Learn Python Programming A comprehensive, up-to-date, and definitive guide to learning Python

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Product type Paperback
Published in Nov 2024
Publisher Packt
ISBN-13 9781835882948
Length 616 pages
Edition 4th Edition
Languages
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Authors (2):
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Heinrich Kruger Heinrich Kruger
Author Profile Icon Heinrich Kruger
Heinrich Kruger
Fabrizio Romano Fabrizio Romano
Author Profile Icon Fabrizio Romano
Fabrizio Romano
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Toc

Table of Contents (20) Chapters Close

Preface A Gentle Introduction to Python FREE CHAPTER Built-In Data Types Conditionals and Iteration Functions, the Building Blocks of Code Comprehensions and Generators OOP, Decorators, and Iterators Exceptions and Context Managers Files and Data Persistence Cryptography and Tokens Testing Debugging and Profiling Introduction to Type Hinting Data Science in Brief Introduction to API Development CLI Applications Packaging Python Applications Programming Challenges Other Books You May Enjoy
Index

Function attributes

Every function is a fully fledged object and, as such, it has several attributes. Some of them are special and can be used in an introspective way to inspect the function object at runtime. The following script is an example that shows a few of them and how to display their value for an example function:

# func.attributes.py
def multiplication(a, b=1):
    """Return a multiplied by b."""
    return a * b
if __name__ == "__main__":
    special_attributes = [
        "__doc__",
        "__name__",
        "__qualname__",
        "__module__",
        "__defaults__",
        "__code__",
        "__globals__",
        "__dict__",
        "__closure__",
        "__annotations__",
        "__kwdefaults__",
    ]
    for attribute in special_attributes:
        print(attribute, "->", getattr(multiplication...
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