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AI Crash Course

You're reading from   AI Crash Course A fun and hands-on introduction to machine learning, reinforcement learning, deep learning, and artificial intelligence with Python

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Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781838645359
Length 360 pages
Edition 1st Edition
Languages
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Author (1):
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Hadelin de Ponteves Hadelin de Ponteves
Author Profile Icon Hadelin de Ponteves
Hadelin de Ponteves
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Toc

Table of Contents (17) Chapters Close

Preface 1. Welcome to the Robot World FREE CHAPTER 2. Discover Your AI Toolkit 3. Python Fundamentals – Learn How to Code in Python 4. AI Foundation Techniques 5. Your First AI Model – Beware the Bandits! 6. AI for Sales and Advertising – Sell like the Wolf of AI Street 7. Welcome to Q-Learning 8. AI for Logistics – Robots in a Warehouse 9. Going Pro with Artificial Brains – Deep Q-Learning 10. AI for Autonomous Vehicles – Build a Self-Driving Car 11. AI for Business – Minimize Costs with Deep Q-Learning 12. Deep Convolutional Q-Learning 13. AI for Games – Become the Master at Snake 14. Recap and Conclusion 15. Other Books You May Enjoy 16. Index

Displaying text

We'll begin with the most popular way of introducing any programming language; you'll learn how to display some text in the Python console. The console is a tool that's part of every Python editor, which shows the information we want or displays any errors that occurred (let's hope not to get any!).

The easiest way to show something in our console is to use the print() method, just like this:

# Displaying text
print('Hello world!')

The text above print, starting with #, is called a comment. Comments are excluded when executing code and are only visible to you.

After running this short code in Google Colab, you'll see this displayed:

Hello world!

In conclusion, just put what you want to display into the brackets of the print method – text surrounded by quotes, as in this example, or variables.

If you're curious about what variables are, that's great – you'll learn about them...

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