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Watch Me Code - Solving Bite 21. Query a Nested Data Structure

Posted by Bob on Sat 14 July 2018 in CodeChalleng.es • Tagged with dict, list, beginner, data structures, bites of py, video, sum, list comprehension, dictionary comprehension • 2 min read

I recorded a video solving Bite 21. Query a nested data structure. The exercise presents us with a dictionary of car manufacturers and their corresponding car models. We will extract various bits and pieces from it as well as sort the nested model lists. This is a common type of data structure so specially for a beginner it is important to have this become second nature. Prepare to learn more about looping, some string operations, and list / dict comprehensions.


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Don't let mutability of compound objects fool you!

Posted by Bob on Tue 07 March 2017 in Concepts • Tagged with list, mutable, copy, deepcopy • 3 min read

In this article I explain the difference between shallow versus deep copy with a working example. It's an important concept when working with compound objects.


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