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🖥️ What are Sets in Python? Definition, Use and Declaration (Overview)
Python offers a range of compound Data Types, often referred to as sequences. Set is one of the most frequently used Data Types in Python – amongst List, Dictionary and Tuple. In fact, Set in Python is a collection of items, which is: not indexed, unordered, contains only unique elements, and is of mutable type – so it can be changed, grow and shrink, once it has been created.
The important properties of Python sets are as follows:
○ Sets are unordered – Items stored in a set are not kept in any particular order ;
○ Set items are unique – Duplicate items are not allowed ;
○ Sets are unindexed – You cannot access set items by referring to an index ;
○ Sets are changeable (mutable) – They can be changed in place, grow and shrink.
Moreover, they are commonly used for computing mathematical operations such as: union, intersection, difference, and symmetric difference operations.
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Great! Now that you have understood what is a Set in Python, let’s move forward and let’s discover How to create a Set in Python – but also what are all of the operations and the methods that you can perform on sets in Python, in order to: add, remove, or access an item, even search for a specific item inside of this Set.
Let’s play this video, stick around and watch until the end of this video! 👍🏻
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Sets in Python: What is a Set and How to use Sets in Python?
