LinkedList | Merge two Sorted List

A linked list is a data structure used to store and manage collections of data. It is a linear data structure, meaning that the elements in a linked list are stored in a sequence, and each element is called a node. Unlike arrays, linked lists do not store their elements in contiguous memory locations;
instead, they use pointers or references to connect the nodes.

Given pointers to the heads of two sorted linked lists, merge them into a single, sorted linked list.

Problem Statement:
Hackerrank : https://www.hackerrank.com/challenges/merge-two-sorted-linked-lists/problem?isFullScreen=false
LeetCode : https://leetcode.com/problems/merge-two-sorted-lists/description/

Link to Code :
https://onlinegdb.com/u3ss-b0xn

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