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Working with sets

While building your recipe scaler, you decide to create a shopping list from multiple recipes. You've been collecting ingredients in a list called all_ingredients. Since the same ingredients appear in different recipes, their names appear more than once in the list. You want to create a set to see exactly how many unique ingredients you need to buy. The all_ingredients list has already been created for you.

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  • Convert the all_ingredients list to a set called unique_ingredients to remove duplicates.