![]() The first part is the actual data to be stored, the second part is the link to the previous node in the list, and the third part is the link to the next node in the list. The way we do this is that each node has three parts. So, once we have accessed the 10th node, we can access the 9th node and the 11th node, and to access a particular node, we will need to access either the node before it or the node after it. What is a Doubly Linked List?Ī doubly linked list is also a list in which the nodes are connected through links, but in this case, each node links to the next item as well as the previous item. The first part stores the data of the node, and the second part stores the link to the next node. ![]() In a singly linked list, each node has two parts. And once we access the 10th item, it will allow us to access the 11th item through the link that the 10th item has.Įach item in a linked list is called a node. So, to access the 10th item, we need to first access the 9th item because it links to the 10th item. The most common linked list is the “singly linked list” or simply, “linked list”, in this, each item links to the next item in the list. The exact way the items are linked differs in different types of linked lists. Pre-Requisite: Linked Listīefore we move on to doubly linked lists, we need to discuss what linked lists are.Ī linked list, as the name suggests, is a list in which the list items are linked to other list items in a particular way. ![]() In this tutorial, we will discuss what a doubly-linked list is, we will implement it in python and see it’s output. It is very similar to linked lists but with a few extra features. A doubly linked list is a data structure that is used to store lists. ![]()
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