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This video is not optional because the material is advanced. It is optional because this video series has run long and this topic is less important for you to know. While we have not talked about…
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In this video, we show how to make our own iterable and iterator classes. These are actually tightly linked, and you need one to create the other.
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We are familiar with iterables, types that we can use in a for-loop. In this video we introduce the iterator. This is a type that can be used in a for-loop, but we can also manually step through the…
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Dictionaries are not sliceable, but they are iterable. In this video we show the many different ways you can use a dictionary in a for-loop. The primary thing to understand is that you have to…
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Strings, lists, and tuples are not the only iterable types. In this video we introduce the range function, which creates another iterable value. This is going to allow us to do several things that we…
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This video introduces an advanced topic that is completely optional and will not appear on any exam. Lists don’t just allow us to use a single position in an assignment statement. We can also…
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Tuples are very, very similar to strings. In this video we explore this similarity, showing that they support many of the same operations and methods.
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