April 2024
Beginner
704 pages
15h 59m
English
Content preview from Python All-in-One For Dummies, 3rd Edition
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Chapter 3
Interacting with the Internet
IN THIS CHAPTER
Understanding how the web works
Opening web pages from Python
Using Python to post to the web
Web scraping with Python
As you probably know, the internet is home to virtually all the world’s knowledge. Most of us use the web all the time to find information. We do so using a web browser such as Safari, Google Chrome, Firefox, Opera, Internet Explorer, or Edge. To visit a website, you type a uniform resource locator (URL) into your browser’s address bar and press Enter, or you click a link that sends you to the page automatically.
As an alternative to browsing the web with your web browser, you can access its content programmatically. In other words, you can use a programming language such as Python to post information to the web, as well as to access web information. In a sense, you make the web your personal database of knowledge from which your apps can pluck information at will. In this chapter, you learn about the two main modules for accessing the web programmatically with Python: urllib and BeautifulSoup.
Seeing How ...
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I 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.
I’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.
I'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.