What are the performance benefits of using sets in Python?
Sets in Python offer O(1) average time complexity for lookups, making them faster than lists for membership tests.
Can you explain how sets handle duplicates?
Sets automatically remove duplicates, ensuring that each element is unique, which can save memory and processing time.
How do sets compare to dictionaries in terms of performance?
Both sets and dictionaries have similar performance characteristics, but sets are optimized for membership tests without key-value pairs.
Are there any downsides to using sets?
One downside is that sets are unordered, so you cannot access elements by index, which may be limiting in some scenarios.
Can you provide an example of when to use a set over a list?
Use a set when you need to store unique items and perform frequent membership checks, like tracking unique user IDs.
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