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What is Doubly linked list?

Doubly linkd list:

- The doubly linked list is a complex type of linked list in which a node contains a pointer to the previous as well as the next node in the sequence.

- In a doubly linked list, a node consists of three parts: 

1. node data 

2. pointer to the next node in sequence (next pointer) 

3. pointer to the previous node (previous pointer).

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