python 3 set intersection

Published: 20 December 2023
on channel: CodeFast

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Certainly! Here's an informative tutorial about Python 3 set intersection with explanations and code examples:
In Python, a set is an unordered collection of unique elements. Set intersection refers to the operation that returns a new set containing only the elements that are common between two or more sets.
The syntax for set intersection in Python is:
Where set1 and set2 are the sets for which you want to find the intersection. The intersection() method returns a new set containing elements that are common to both set1 and set2.
Let's start with an example that demonstrates finding the intersection of two sets:
Output:
In this example, set1 contains elements {1, 2, 3, 4, 5} and set2 contains elements {3, 4, 5, 6, 7}. The intersection_set variable stores the intersection of these two sets, which results in the set {3, 4, 5}.
The intersection() method can also be used to find the intersection of more than two sets:
Output:
In this example, set1, set2, and set3 contain elements {1, 2, 3, 4, 5}, {3, 4, 5, 6, 7}, and {5, 6, 7, 8, 9} respectively. The intersection_set variable stores the intersection of these three sets, which results in the set {5} because it's the only element common to all three sets.
Set intersection in Python using the intersection() method allows you to find common elements between sets. This operation is helpful when you need to work with unique elements that are present in multiple sets simultaneously.
I hope this tutorial helps you understand how to perform set intersection in Python!
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