What are the performance differences between sets and lists in Python?
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What are the performance differences between sets and lists in Python?
Sets in Python are implemented as hash tables, which allows for average O(1) time complexity for lookups, while lists have O(n) for lookups.
So, are sets faster for membership tests?
Yes, sets are generally faster for membership tests due to their O(1) average time complexity compared to O(n) for lists.
What about adding elements? Is there a difference?
Adding elements to a set is also O(1) on average, while appending to a list is O(1) as well, but inserting in the middle of a list is O(n).
Are there any downsides to using sets?
Yes, sets do not maintain order and cannot contain duplicate elements, which might be a limitation depending on your use case.
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