What are some real-world uses of sets in Python?

What are some real-world uses of sets in Python?

Sets in Python are great for storing unique items. They can be used for tasks like removing duplicates from a list, performing mathematical set operations like union and intersection, and checking membership efficiently.

Can you give me an example of removing duplicates using sets?

Sure! You can convert a list to a set to remove duplicates. For example: unique_items = set(my_list) will give you a set of unique items from my_list.

What about using sets for membership testing?

Sets are optimized for membership testing. For instance, checking if an item exists in a set is on average O(1) time complexity, making it much faster than checking in a list.

Are there any other interesting applications of sets?

Yes! Sets can be used in data analysis for operations like finding common elements between datasets, or in web development for managing user permissions.