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Python Network Programming Techniques

You're reading from   Python Network Programming Techniques 50 real-world recipes to automate infrastructure networks and overcome networking challenges with Python

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Product type Paperback
Published in Oct 2021
Publisher Packt
ISBN-13 9781838646639
Length 340 pages
Edition 1st Edition
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Author (1):
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Marcel Neidinger Marcel Neidinger
Author Profile Icon Marcel Neidinger
Marcel Neidinger
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Table of Contents (14) Chapters Close

Preface 1. Chapter 1: A Primer on Python 3 2. Chapter 2: Connecting to Network Devices via SSH Using Paramiko FREE CHAPTER 3. Chapter 3: Building Configuration Templates Using Jinja2 4. Chapter 4: Configuring Network Devices Using Netmiko 5. Chapter 5: Model-Driven Programmability with NETCONF and ncclient 6. Chapter 6: Automating Complex Multi-Vendor Networks with NAPALM 7. Chapter 7: Automating Your Network Tests and Deployments with pyATS and Genie 8. Chapter 8: Configuring Devices Using RESTCONF and requests 9. Chapter 9: Consuming Controllers and High-Level Networking APIs with requests 10. Chapter 10: Incorporating your Python Scripts into an Existing Workflow by Writing Custom Ansible Modules 11. Chapter 11: Automating AWS Cloud Networking Infrastructure Using the AWS Python SDK 12. Chapter 12: Automating your Network Security Using Python and the Firepower APIs 13. Other Books You May Enjoy

Converting between data types in Python

While Python does determine the data type of a variable automatically, we often like to explicitly convert a variable from one data type to another. An example of where this is useful could be a user providing an input—for example, their age—from the terminal. The variable would have the str data type, but we might need it as an integer. This is where converting between data types—or type casting—comes into play.

In this recipe, you will see how to receive an input from a user and convert the received string into an integer.

Getting ready

Open your code editor and start by creating a file called convert_variables.py. Next, navigate your terminal to the same directory in which you just created the convert_variables.py file.

How to do it…

In this recipe, we will receive the user's age as input in the form of a string. We will then convert that string into a number, add 10 to it, and convert...

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