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Lesson 20.2 Class Visualization

Now that you know how to define a class, you need to understand how Python processes the definition. In this video, we see that Python handles it in much the same way, that it does function…

From  Hannah Lee on October 27th, 2020 7 plays

Lesson 18.1 List of Objects

Lists require that we explicitly show the folder when visualize them. In this video we show what that means when a list contains other objects that have their own folders. The result is a chain of…

From  Hannah Lee on October 27th, 2020 8 plays

Lesson 17.11 Graphical Recursion

Fractals are shapes that look the same when you magnify them larger and larger. This is another example of recursion. In this video we introduce the drawing turtle and show how we use it to draw…

From  Hannah Lee on October 19th, 2020 18 plays

Lesson 11.6 Attribute Invariants

When you work on Assignment 3, you will discover that the color objects have some significant restrictions on how they can be used. These restrictions are called attribute invariants, and they are…

From  Hannah Lee on October 2nd, 2020 7 plays

Lesson11.2 Object Instantiation

Because classes are not built into Python, they do not have literals. So how do we create objects? In this video, we address instantiation which is how do this.

From  Hannah Lee on October 2nd, 2020 10 plays

Lesson 6.3 String Methods

Strings do not have a lot of functions associated with them. Instead, strings have methods. As we see in this video, methods behave almost exactly like functions, except that the syntax for calling…

From  Hannah Lee on September 16th, 2020 9 plays

Lesson 3.5 Advanced Import Statements (OPTIONAL)

This is a completely optional video for people who are interested in all of the different ways that you can import a module in Python. However, it is a tad advanced for a beginning programmer. If you…

From  Hannah Lee on September 9th, 2020 4 plays