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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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Table of Contents (13) Chapters Close

Preface 1. Vital Python – Math, Strings, Conditionals, and Loops FREE CHAPTER 2. Python Structures 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

Dictionary Methods

Now that you have learned about dictionaries and when you should use a dictionary. You will now look at a few other dictionary methods. To start with, you should follow the exercises from here onward to learn how to access the values and other related operations of a dictionary in Python.

Exercise 30: Accessing a Dictionary Using Dictionary Methods

In this exercise, we will learn how to access a dictionary using dictionary methods. The goal of the exercise is to print the order values against the item while accessing the dictionary by using dictionary methods:

  1. Open a new Jupyter Notebook.
  2. Enter the following code in a new cell:
    orders = {'apple':5, 'orange':3, 'banana':2}
    print(orders.values())
    print(list(orders.values()))

    You should get the following output:

    dict_values([5, 3, 2])
    [5, 3, 2]

    The values() method in this code returns an iterable object. In order to use the values straight away, you can wrap them in a list...

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