Leetcode Linkedlist
206. Reverse Linked List Easy Link : https://leetcode.com/problems/reverse-linked-list/ Given the head of a singly linked list, reverse the list, and return the reversed list. Example 1: Input: head = [1,2,3,4,5] Output: [5,4,3,2,1] Example 2: Input: head = [1,2] Output: [2,