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Python Functions, Classes, and Modules

By Jason Gooley, Adrian Iliesiu, Chris Jackson, Ashutosh Malegaonkar.
Sample Chapter is provided courtesy of Cisco Press.
Date: Nov 9, 2022.

Chapter Information

Chapter Description

Building Python functions allows for the creation of reusable code and is the first step toward writing object-oriented code. In this sample chapter from Cisco Certified DevNet Associate DEVASC 200-901 Official Cert Guide, you will review working with and building Python functions. It also introduces how Python modules can extend the capabilities of Python and make your job of coding much easier.

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Review All Key Topics

Review the most important topics in this chapter, noted with the Key Topic icon in the outer margin of the page. Table 4-2 lists these key topics and the page number on which each is found.

Table 4-2 Key Topics

Key Topic Element	Description	Page Number
Paragraph	Defining functions	88
Paragraph	The value of object-oriented programming	92
Paragraph	Defining classes	92
Paragraph	Inheritance	94
Paragraph	Python modules	96
Bulleted list	Common Python modules	101

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