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Modern Python Cookbook

Modern Python Cookbook

By : Steven F. Lott
4.8 (15)
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Modern Python Cookbook

Modern Python Cookbook

4.8 (15)
By: Steven F. Lott

Overview of this book

Python is the preferred choice of developers, engineers, data scientists, and hobbyists everywhere. It is a great language that can power your applications and provide great speed, safety, and scalability. It can be used for simple scripting or sophisticated web applications. By exposing Python as a series of simple recipes, this book gives you insight into specific language features in a particular context. Having a tangible context helps make the language or a given standard library feature easier to understand. This book comes with 133 recipes on the latest version of Python 3.8. The recipes will benefit everyone, from beginners just starting out with Python to experts. You'll not only learn Python programming concepts but also how to build complex applications. The recipes will touch upon all necessary Python concepts related to data structures, object oriented programming, functional programming, and statistical programming. You will get acquainted with the nuances of Python syntax and how to effectively take advantage of it. By the end of this Python book, you will be equipped with knowledge of testing, web services, configuration, and application integration tips and tricks. You will be armed with the knowledge of how to create applications with flexible logging, powerful configuration, command-line options, automated unit tests, and good documentation.
Table of Contents (18 chapters)
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16
Other Books You May Enjoy
17
Index

Choosing between true division and floor division

Python offers us two kinds of division operators. What are they, and how do we know which one to use? We'll also look at the Python division rules and how they apply to integer values.

Getting ready

There are several general cases for division:

  • A div-mod pair: We want both parts – the quotient and the remainder. The name refers to the division and modulo operations combined together. We can summarize the quotient and remainder as .

    We often use this when converting values from one base into another. When we convert seconds into hours, minutes, and seconds, we'll be doing a div-mod kind of division. We don't want the exact number of hours; we want a truncated number of hours, and the remainder will be converted into minutes and seconds.

  • The true value: This is a typical floating-point value; it will be a good approximation to the quotient. For example, if we're computing...

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