Reverse a Portion of Linked List

Given the head of a linked list, and two integers left and right, reverse the linked list from position left to position right, and return the modified linked list. Input Format: The first line contains space-separated integers representing the linked list, followed by -1 to indicate the end. The second line contains two space-separated integers left and right (1-indexed positions). Output Format: Output the modified linked list as a space-separated integer sequence followed by -1. Example: Input: 1 2 3 4 5 -1 2 4 Output: 1 4 3 2 5 -1