Data Structures in Python: Doubly Linked Lists -- Append and Prepend

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In this video, we introduce the doubly linked list data structure. We then code up an implementation of this data structure in Python. After that, we look at how to append (add elements to the back of the doubly linked list) and prepend (add elements to the front of the doubly linked list). We then write a print function to verify that the append and prepend functions work as expected. We code the doubly linked list and the corresponding functions up in Python.
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