Skip to Content
Beginning Ethical Hacking with Python
book

Beginning Ethical Hacking with Python

by Sanjib Sinha
December 2016
Beginner
197 pages
4h 18m
English
Apress
Content preview from Beginning Ethical Hacking with Python

© Sanjib Sinha 2017

Sanjib Sinha, Beginning Ethical Hacking with Python, 10.1007/978-1-4842-2541-7_9

9. Variables, Objects and Values

Sanjib Sinha

(1)Howrah, West Bengal, India

In Python everything is an object . To start with, you need to remember a few things:

  1. Variables, functions and even code are objects.

  2. Every object has an ID, type, and value.

    ID stands for identification of a particular instance of an object. This ID cannot change in the lifetime of that object.

  3. Type identifies a class of an object. It cannot change for the life of object.

  4. Value is the content of the object and mutable objects can only change value. Immutable objects cannot change value.

  5. Every variable in Python is a first class object. What looks like a simple variable ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Python Ethical Hacking from Scratch

Python Ethical Hacking from Scratch

Fahad Ali Sarwar

Publisher Resources

ISBN: 9781484225417Purchase bookPublisher Website