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Lesson 23.5 Mixed-Type Operators

Operator overloading allows us to redefine the meaning of + or * on objects of our class. But sometimes we want to mix together types like a fraction and integer. In this video we show that it is…

From  Hannah Lee on November 8th, 2020 39 plays

Lesson23.4 The is Operator

As we saw in the previous video, we cannot trust == if we need to test if two variables refer to the same object folder. In this video we show an alternative operator is, which is safe to use because…

From  Hannah Lee on November 8th, 2020 30 plays

Lesson 22.5 Name Resolution

We have long said that the dot (.) in Python means “inside of the folder”. But which folder? In this video, we show why subclasses makes this question a little less clear. When Python…

From  Hannah Lee on November 8th, 2020 28 plays

Lesson 11.7 Mutable Functions

In the past if we wanted to do any significant computation, we needed a a fruitful function. Procedures are limited to testing or printing stuff out on the screen. But in this video we show how we…

From  Hannah Lee on October 2nd, 2020 15 plays

Lesson 11.5 Object Attributes

Objects are these folders that contain a portfolio of variables. These variables are called attributes. In thie video we talk about how we can access these attributes, or even change them.

From  Hannah Lee on October 2nd, 2020 16 plays

Lesson11.3 Object Visualization

Visualization is a reoccuring theme in this course. In this video we introduce a brand new visualization framework to help us understand how objects work. This new folder metaphor will become…

From  Hannah Lee on October 2nd, 2020 12 plays