Search for tag: "purpose"

When we think about our individual role as it relates to sustainability, one can be left with feelings of guilt, like we're not doing enough. Listen and watch as Sarah Bryslinsky, the Assistant…

When we were recording the video on custom error types, it ran quite long. So we decided to break it up into a second video. In this video we look at a slightly more complicated error type. We also…

Every class must be a subclass of something, and that parent class goes inside of the parentheses. That means that the word object we have been using in all of class definitions is actually a class.…

We know how to enforce preconditions, but how do we force invariants for our attributes? As we see in this video, we do it much the same as for preconditions. But that is because we are going to…

When we first introduced objects, we talked about the concept of object representation. But how does Python know how to use this representation. In this video, we see that this is the result of…

We have seen the None value used in several previous videos. But in this video we finally introduce it formally. In particular, we show why it is so commonly used in object initialization.

Once we have an algorithm, it is time to get started writing code. In this video we talk about function stubs, which are how we get started. We like function stubs because they act as placeholders…

This first video introduces you to the command line, which is a text-based tool for interacting with files and programs.

In the winelands of Renaissance Germany, a poet named Vincent Obsopoeus witnessed the birth of a poisonous new culture of bingeing, peer pressure, and competitive drinking. Michael Fontaine presents…