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PODCAST

Python for Everybody (Audio/PY4E)

Dr. Charles Russell Severance

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.

education training

All Episodes

8:02

8.3 Strings and Lists

Python for Everybody (Audio/PY4E) ·

2016/09/30

We learn how to parse strings pull sub-strings out of a string using the split() function.

en-US

8:03

9.1 Python Dictionaries

Python for Everybody (Audio/PY4E) ·

2016/09/30

We compare and contrast how Python lists and dictionaries are structured internally. How we use position to index lists and use keys to index dictionaries.

en-US

9:26

9.2 Building Histograms

Python for Everybody (Audio/PY4E) ·

2016/09/30

We look at how we can use dictionaries to count the frequencies of many things at the same time. We learn how the key and value are related in a dictionary and example the get method to retrieve values from a Python dictionary.

en-US

11:54

9.3 Counting Words in Text

Python for Everybody (Audio/PY4E) ·

2016/09/30

In this segment we bring everything together, reading a file, parsing the lines, and computing the frequencies of the words in the file. This is an important moment that pulls from everything we have learned so far.

en-US

9:47

10.1 Understanding Tuples

Python for Everybody (Audio/PY4E) ·

2016/09/30

We look at the basic syntax and capabilities of Python tuples. We explore the concept of immutability, and we compare tuples to lists and strings.

en-US

12:23

10.2 Sorting Data

Python for Everybody (Audio/PY4E) ·

2016/09/30

We look at how we sort lists, dictionaries, and lists of tuples in Python.

en-US

10:05

Worked Example: Sorting Dictionaries

Python for Everybody (Audio/PY4E) ·

2016/09/30

Worked Example: Sorting Dictionaries

en-US

10:46

11.1 Introduction to Regular Expressions

Python for Everybody (Audio/PY4E) ·

2016/09/30

We look at the syntax of regular expressions and how to use them to search through text data.

en-US

8:46

11.2 Matching and Extracting Data

Python for Everybody (Audio/PY4E) ·

2016/09/29

In this segment we learn to pull out data from strings after a regular expression has found a match.

en-US

8:51

11.3 String Parsing with Regular Expressions

Python for Everybody (Audio/PY4E) ·

2016/09/29

We look at how some of the string parsing we have done in earlier chapters can be easily done with regular expressions.

en-US

7:43

12.1 Network Technology (TCP/IP)

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

9:26

12.2 Hypertext Transport Protocol (HTTP)

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

4:35

12.3 Building a Web Browser in Python

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

11:14

12.4 Unicode Characters and Strings

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

5:30

12.5 Retrieving Web Pages

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

6:39

12.6 Parsing Web Pages

Python for Everybody (Audio/PY4E) ·

2016/09/29

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.

en-US

2:48

13.1 Data on the Web

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

5:42

13.2 eXtensible Markup Language (XML)

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

14:08

13.3 XML Schema

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

6:28

13.4 JavaScript Object Notation

Python for Everybody (Audio/PY4E) ·

2016/09/29

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

en-US

57 results

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