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Lesson 30.2 Horizontal Notation

Sorting algorithms can be quite sophisticated. In order to understand them, we need some way to visualize them. In this video, we introduce horizontal notation, which is a way to track how much of a…

From  Hannah Lee on December 10th, 2020 12 plays

Lesson 26.5 While-Loops vs For-Loops

We can always replace for-loops with while-loops, but should we? In this video we talk about the trade-offs of the two control structures and why it might be better to use over the other.

From  Hannah Lee on November 12th, 2020 40 plays

Lesson 26.3 While-Loop Ranges

While-loops require additional patterns beyond the simple accumulator pattern that we used in for-loops. In this video, we talk about the first such pattern, which is replacing the range iterator.…

From  Hannah Lee on November 12th, 2020 41 plays

10.19.20 Yanyi Liu, Cornell University

Zoom Recording ID: 97470844866 UUID: Rc1xL+sZRbmcGWwApOSxiQ== Meeting Time: 2020-10-19T20:00:54Z

From  Jordan Staiti on October 19th, 2020 157 plays

Lesson 7.2 Specification Format

Now that you know why specifications are so important, it is time to write them. We have a very specific format that we want for our specifications, which is detailed in this video.

From  Hannah Lee on September 24th, 2020 23 plays

Lesson 5.2 Procedures

In this video, we show you how to define a procedure in the Python interactive shell. Recall that a procedure is a function that is used as a command.

From  Hannah Lee on September 11th, 2020 61 plays