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Modern Python Cookbook

You're reading from   Modern Python Cookbook 133 recipes to develop flawless and expressive programs in Python 3.8

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Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781800207455
Length 822 pages
Edition 2nd Edition
Languages
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Author (1):
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Steven F. Lott Steven F. Lott
Author Profile Icon Steven F. Lott
Steven F. Lott
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Toc

Table of Contents (18) Chapters Close

Preface 1. Numbers, Strings, and Tuples 2. Statements and Syntax FREE CHAPTER 3. Function Definitions 4. Built-In Data Structures Part 1: Lists and Sets 5. Built-In Data Structures Part 2: Dictionaries 6. User Inputs and Outputs 7. Basics of Classes and Objects 8. More Advanced Class Design 9. Functional Programming Features 10. Input/Output, Physical Format, and Logical Layout 11. Testing 12. Web Services 13. Application Integration: Configuration 14. Application Integration: Combination 15. Statistical Programming and Linear Regression 16. Other Books You May Enjoy
17. Index

User Inputs and Outputs

The key purpose of software is to produce useful output. One simple type of output is text displaying some useful result. Python supports this with the print() function.

The input() function has a parallel with the print() function. The input() function reads text from a console, allowing us to provide data to our programs.

There are a number of other common ways to provide input to a program. Parsing the command line is helpful for many applications. We sometimes need to use configuration files to provide useful input. Data files and network connections are yet more ways to provide input. Each of these methods is distinct and needs to be looked at separately. In this chapter, we'll focus on the fundamentals of input() and print().

In this chapter, we'll look at the following recipes:

  • Using the features of the print() function
  • Using input() and getpass() for user input
  • Debugging with f"{value=}&quot...
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