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Lesson 26.6 Mutable While-Loops

In this video we show that the one place we typically prefer while-loops is when we are modifying a list or other mutable iterable. While we did see how to do this with for-loops (by looping over…

From  Hannah Lee on November 12th, 2020 5 plays

Lesson 17.7 The Division Step

Up until now, we have claimed that it does not matter how you divide your date in divide-and-conquer. In this video we show one of the ways in which it might matter. In particular, not thinking about…

From  Hannah Lee on October 19th, 2020 35 plays

Lesson 15.1 Tuple Expressions

In this video we introduce the first new sliceable type, the tuple. We show why we need this new type, and why it is more flexible than a string.

From  Hannah Lee on October 10th, 2020 16 plays