Try asking chatgpt to solve a non-well-known programming exercise. It will fail miserably and insist on rehashing the same wrong solution when told that it was

Try asking chatgpt to solve a non-well-known programming exercise. It will fail miserably and insist on rehashing the same wrong solution when told that it was wrong. A real person might give up, but would not claim that an obviously wrong answer was in fact the answer.