Python for Everybody (Audio/PY4E)

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Education
**Python for Everybody (Audio/PY4E)**

These are the audio lectures to supplement the textbook ‘Python for Everybody: Exploring Information’ and its associated web site www.py4e.com. There is also a video podcast of this material.

Latest Episodes:

12.1 Network Technology (TCP/IP) Sep 29, 2016

Show notes

We take a very brief look at how software communicates across the Internet using TCP/IP.

12.2 Hypertext Transport Protocol (HTTP) Sep 29, 2016

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In this section we look at the HTTP protocol that is used to move documents between web servers and web browsers.

12.3 Building a Web Browser in Python Sep 29, 2016

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We write a simple Python program that connects to a web server and retrieves a web document. It is a very simple web browser.

12.4 Unicode Characters and Strings Sep 29, 2016

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We explore how characters are encoded when they are transported across the network.

12.5 Retrieving Web Pages Sep 29, 2016

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We write an even simpler Python program to retrieve a web page using the urllib library in Python.

12.6 Parsing Web Pages Sep 29, 2016

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Now we will look at the HypertextMarkup Language (HTML) that we retrieved using Python and extract links from that HTML. We are slowly building a very simple web search engine.

13.1 Data on the Web Sep 29, 2016

Show notes

We look at two different ways to format data for transmission across the network including JavaScript Object Notation (JSON) and eXtended Markup Language (XML).

13.2 eXtensible Markup Language (XML) Sep 29, 2016

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We look at how data is represented using the XML format.

13.3 XML Schema Sep 29, 2016

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We look at how we can use XML Schema to determine whether or not a particular bit of XML is valid.

13.4 JavaScript Object Notation Sep 29, 2016

Show notes

We learn about the popular JSON data format and how to handle the JSON data in Python.