Rotate a linked list to the right by k places.
Given the head of a linked list, rotate the list to the right by k places.
Input: head = [0,1,2], k = 4
Output: [2,0,1]
Explanation: The list has a length of 3. Rotating by 4 is mathematically equivalent to rotating by 1 (4 mod 3 = 1).

Question

Given the head of a linked list, rotate the list to the right by k places.

Input: head = [0,1,2], k = 4

Output: [2,0,1]

Explanation: The list has a length of 3. Rotating by 4 is mathematically equivalent to rotating by 1 (4 mod 3 = 1).