The names in first and second place

From the quiz scores, store the name of the person in first place in first_name and the name of the person in second place in second_name. No two scores are the same, and every score is 0 or higher. Do not use max() or sorted().

Starter code

scores = {"dami": 84, "taeo": 97, "yuna": 91, "siwoo": 78}