What are the differences between sets and lists in Python?
Sets are unordered collections of unique elements, while lists are ordered collections that can contain duplicates.
Can you give me an example of when to use a set instead of a list?
Sure! Use a set when you need to store unique items, like a collection of user IDs, to avoid duplicates.
What about performance? Are sets faster than lists?
Yes, sets generally have faster membership tests (checking if an item exists) compared to lists due to their underlying hash table implementation.
Can I convert a list to a set in Python?
Absolutely! You can convert a list to a set using the set()
function, which will remove any duplicates.
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