This technical problem asks the reader to write a Python class that implements a stack using a linked list. The stack should have methods for pushing an integer onto the stack, popping and returning the top element of the stack, and checking if the stack is empty.

A.I. Evaluation of the Solution

The candidate's solution correctly implements a stack using a linked list. The push and pop methods work as expected. The is_empty method also works as expected.

Evaluated at: 2022-11-23 08:16:30