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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 23.2 Operator Overloading

In this video we introduce the primary tool for abstraction in Python. Operator overloading allows us to define additional meanings for any built-in symbol such as + or *. Because Python uses the…

From  Hannah Lee on November 8th, 2020 39 plays

Lesson 2.2 Assignment Statements

Now that we have some idea of what a variable is, it is time to start creating them. We do that with assignment statements, which are the subject of this video.

From  Hannah Lee on September 7th, 2020 12 plays

Lesson 1.1 Evaluation

Before we get started with Python we need to define some basic terminology. Those math-like formula that we type into Python are called expressions. Python then uses the process of evalation to turn…

From  Hannah Lee on September 4th, 2020 31 plays