Understanding Linked Lists Implementation in Python

In this tutorial, we are going to learn about the singly-linked list and doubly-linked list. A linked list is a linear data structure. Python does not have linked lists in its standard library. We implement the concept of linked lists using the concept of nodes as discussed in the previous chapter. We have already seen how we create a node class and how to traverse the elements of a node.

In this tutorial, we are going to learn about the singly-linked list and doubly-linked list.

Data structures play a key role in the programming world. They help us to organize our data in a way that can be used efficiently.

A linked list is a linear data structure. It doesn’t store the data in contiguous memory locations like arrays. And each element in linked is called a node and they are connected using the pointers. The first node in the linked list is called the head.

The size of the linked list is dynamic. So, we can have any number of nodes as we want unless the storage is available in the device.

There are two types of linked lists. Let’s see the detailed tutorial about them one by one.

• Singly Linked List
• Doubly Linked List

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