Choose the best collection for each situation. You have a set of data that will not be changed and you will not need to add new items.
You wrote a loop to ask the user for a set of 100 numbers. You will add a number to the collection on each pass through the loop, then pass the collection to a function for processing.
You have the unique inventory number and description of every item in a store. You will need to add items when they come in and delete items when they are sold.

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dictionary
tuple