121 - Reverse a doubly linked list | Linked List | Hackerrank Solution | Python

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⭐️ Content Description ⭐️
In this video, I have explained on how to solve reverse a doubly linked list using swap operations of pointers in python. This hackerrank problem is a part of Problem Solving | Practice | Data Structures | Linked Lists | Reverse a doubly linked list and solved in python. The complexity of this solution is O (n).

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Thank you so much bro!
Such a smart solution.

sn.f
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Bro can you pls explain the change in tail node part!!!

manitmaini
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