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The Python Workshop

You're reading from   The Python Workshop Learn to code in Python and kickstart your career in software development or data science

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Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781839218859
Length 608 pages
Edition 1st Edition
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Authors (6):
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Andrew Bird Andrew Bird
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Andrew Bird
Graham Lee Graham Lee
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Graham Lee
Corey Wade Corey Wade
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Corey Wade
Dr. Lau Cher Han Dr. Lau Cher Han
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Dr. Lau Cher Han
Olivier Pons Olivier Pons
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Olivier Pons
Mario Corchero Jiménez Mario Corchero Jiménez
Author Profile Icon Mario Corchero Jiménez
Mario Corchero Jiménez
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Toc

Table of Contents (13) Chapters Close

Preface 1. Vital Python – Math, Strings, Conditionals, and Loops 2. Python Structures FREE CHAPTER 3. Executing Python – Programs, Algorithms, and Functions 4. Extending Python, Files, Errors, and Graphs 5. Constructing Python – Classes and Methods 6. The Standard Library 7. Becoming Pythonic 8. Software Development 9. Practical Python – Advanced Topics 10. Data Analytics with pandas and NumPy 11. Machine Learning Appendix

The __init__ method

In Exercise 71, Creating a Pet Class, you used our Pet class to create a Pet object called chubbles in the following manner:

chubbles = Pet()

Here, you'll explore more about what happens when you create objects from a class in this manner.

Python has a special method called __init__, which is called when you initialize an object from one of our class templates. For example, building on the previous exercise, suppose you wanted to specify the height of our Pet. We would add an __init__ method as follows:

class Pet():
    """
    A class to capture useful information regarding my pets, just incase
    I lose track of them.
    """
    def __init__(self, height):
        self.height = height
    
    is_human = False
    ...
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