Question

def most_expensive_item(price_list: List[list]) -> str:
"""Return the name of the most expensive item 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)

"""

please complete the function body in Python

Answer 1

def 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

Output:

>> print (most expensive_item ([["apple",1],["sugar",5], ["mango",3], ["coffee", 9],["trail mix",6]])) coffee