def most_expensive_item(price_list: List[list]) -> str: """Return the name of the most expensive item in price_list. If there is a tie for the most expensive item, return the name of the item that appears latest in price_list.

Precondition: price_list is a list of lists in the following format: [ [str, int], [str, int], ... ] where each 2-element list represents a name (str) and a price (int) of an item. price_list has at least one element.

>>> price_list = [["apple", 1], ["sugar", 5], ["mango", 3], ... ["coffee", 9], ["trail mix", 6]] >>> most_expensive_item(price_list) ??? """

item = price_list[0][0] cost = price_list[0][1] for i in range(1, len(price_list)): if cost < price_list[i][1]: cost = price_list[i][1] item = price_list[i][0] return item

(Wrong answer, please fix it. Thanks! )