Challenge: Return the Nth Node from End

Statement

Given the head of a linked list, return the $n^{th}$ node from the end of the linked list.

Constraints:

• The number of nodes in the list is $k$.

• $1 \leq$ $k$ $\leq 10^3$

• $-10^3\le$ Node.data $\leq 10^3$

• $1\le$n $\le$$k$

Examples