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Zoom Recording ID: 95071859677
UUID: I9oDNFt7Sfm4q0Y1iLzJTg==
Meeting Time: 2021-10-19T18:31:00Z
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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. When we are done with out…
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Instructional Recordings Creation Date
December 04, 2020 Creator 1 First Name
Walker Creator 1 Last Name
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wmw2 Language
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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…
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Instructional Recordings Creation Date
November 12, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
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The divide-and-conquer examples we saw in the previous session were on the easy side. In this session we look at some much more challenging examples.Included in this session is segregate, the most…
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Instructional Recordings Creation Date
October 27, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
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In this video we show that we can nest dictionaries just like we nested lists. In fact, a lot of real world data is represented this way. We show off a particularly complicated JSON file that…
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Instructional Recordings Creation Date
October 27, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
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In this video, we introduce a dictionary as a collection of key-value pairs. We also show how to write a dictionary expression in Python. It looks just like a JSON string, but without the quotes.
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Instructional Recordings Creation Date
October 27, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
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In this video we show how to write a mutable function on a table of data. Once again, this is very similar to writing an mutable function on a traditional list.
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Instructional Recordings Creation Date
October 27, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
Cornell Web Search
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In this video we show how to write an immutable function on a table of data. In most ways this is no different than writing an immutable function on a list. Except that this time we may need multiple…
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Instructional Recordings Creation Date
October 27, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
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Slicing a list creates a copy. In this video we show what this means for nested lists. In particular, we show that sometimes a copy is not really a copy after all, and that we have to distinguish…
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Instructional Recordings Creation Date
October 27, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
Cornell Web Search
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In this video we show how to handle the special case when the objects inside of a list are other lists. In particular, we show how to chain together brackets to drill down into nested lists.
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Instructional Recordings Creation Date
October 27, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
Cornell Web Search
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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…
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Instructional Recordings Creation Date
October 27, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
Cornell Web Search
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In this session we review the two new sequence data types: tuples, and lists. This is the last material on the first prelim.For the most part these are similar to strings, and so we will do a lot of…
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Instructional Recordings Creation Date
October 19, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
Cornell Web Search
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Lists are mutables and support mutable functions. Many of these mutable functions contain for-loops. As we show in this video, this changes how we write the for-loop. In particular, we will not use…
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Instructional Recordings Creation Date
October 19, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
Cornell Web Search
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One of the techniques that we say in the previous video was the accumulator variable. In this video we show that this is a general technique used in a fruitful function that requires a for-loop.
Content Categories
Instructional Recordings Creation Date
October 19, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
Cornell Web Search
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Because lists are mutable, just like general objects, we can modify them in the body of a function. In this video we show how to write mutable list functions, which are (typically) procedures that…
Content Categories
Instructional Recordings Creation Date
October 10, 2020 Creator 1 First Name
Walker Creator 1 Last Name
White Creator 1 Role
Faculty or Staff Member Creator 1 NetID
wmw2 Language
English Searchable
Yes Searchable On
Cornell Web Search
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