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Question 5

Hint 1:

The provided find_best procedure in helper_functions.py finds the best element in a list. To find the highest bid, you could use find_best on the entries of the bid table, using the bid amount for selecting the best bid.

Hint 2:

Don't forget to deal with the case when there are no bids on the item. You might want to start by checking the list of entries is non-empty.