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Solution: Middle of the Linked List

Explore two methods to find the middle node of a singly linked list, including a brute force approach based on list length and a two-pointer technique. Understand how to implement these solutions in Python and analyze their time and space complexities for optimal performance.

Statement

Given the head of a singly linked list, return the middle node of the linked list.

If there are two middle nodes, return the second middle node. This happens when the length of the list is even, and the second middle node occurs at length2\frac {length}{2} ...