Example of Set in Python

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Real-world Python set use cases
Python set methods examples
Python set operations examples

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This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.
Set Operations in Python
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Python set operations (union, intersection, difference and symmetric dif…
https://www.geeksforgeeks.org/python-set-operations-union-intersection-difference-symmetric-difference/
Sets in Python – Real Python
https://realpython.com/python-sets/
Python Set (With Examples)
https://www.programiz.com/python-programming/set
Sets in Python are a collection of unique elements, meaning no duplicates are allowed. They are useful for various mathematical operations such as union, intersection, difference, and symmetric difference. Let's explore these operations with examples.
Union
The union of two sets includes all elements from both sets without duplicates. You can use the | operator or the union() method.
A = {0, 2, 4, 6, 8}
B = {1, 2, 3, 4, 5}
# Using | operator
print("Union:", A | B)
# Using union() method
print("Union:", A.union(B))
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Output:
Union: {0, 1, 2, 3, 4, 5, 6, 8}
Union: {0, 1, 2, 3, 4, 5, 6, 8}
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Intersection
The intersection of two sets includes only the elements that are present in both sets. You can use the & operator or the intersection() method.
# Using & operator
print("Intersection:", A & B)
# Using intersection() method
print("Intersection:", A.intersection(B))
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Output:
Intersection: {2, 4}
Intersection: {2, 4}
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Programiz
https://www.programiz.com › python-programming › set
Python Set (With Examples) - Programiz
In Python, we create sets by placing all the elements inside curly braces {}, separated by commas. A set can have any number of items and they may be of different types (integ…
Create An Empty Set in Python
Creating an empty set is a bit tricky. Empty curly braces {}will make an empty dictionary in Python. To make a set without any elements, we use the set()function without any argument. For example, Output Here, 1. empty_set - an empty set created …
Duplicate Items in A Set
Let's see what will happen if we try to include duplicate items in a set. Here, we can see there are no duplicate items in the set as a set cannot contain duplicates.
Add and Update Set Items in Python
Sets are mutable. However, since they are unordered, indexing has no meaning. We cannot access or change an element of a set using indexing or slicing. The set data type does not support it.
GeeksForGeeks
https://www.geeksforgeeks.org › python › sets-in-python
Sets in Python - GeeksforGeeks
Jan 10, 2026 · In, Python Sets are implemented using a dictionary with dummy variables, where key beings the members set with greater optimizations to the …
W3School
https://www.w3schools.com › python › python_sets.asp
Python Sets - W3Schools
Sets are used to store multiple items in a single variable. Set is one of 4 built-in data types in Python used to store collections of data, the other 3 are List, Tuple, and Dictionary, all with different qualities …
Python Tutorial
https://www.pythontutorial.net › python-basics › python-set
A Basic Guide to the Python Set By Practical Examples
Mar 30, 2025 · In this tutorial, you'll learn about Python Set type and how to manage set elements effectively including adding, removing, and clearing.
LearnPython.com
https://learnpython.com › blog › python-set-example
Python Set Examples: From Basic to Advanced Use Cases
Nov 20, 2023 · We will go over the most common Python set operations, with some examples that represent each operation. You can also check out our other …
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Real Python
https://realpython.com › python-sets
Sets in Python – Real Python
May 5, 2025 · In this tutorial, you’ll dive deep into the features of Python sets and explore topics like set creation and initialization, common set operations, set …
DataMentor
https://www.datamentor.io › python › set
Python Set (With Examples)
In this tutorial, we will learn about Python dictionaries (creating sets, adding and removing elements, and other set operations) with the help of examples.
Python Examples
https://pythonexamples.org › python-set
Python Sets
In this tutorial, you shall learn about the fundamentals of Sets in Python language, the basic operations with Sets, with examples.
Python
https://docs.python.org › tutorial › datastructures.html
5. Data Structures — Python 3.14.3 documentation
1 day ago · 5. Data Structures ¶ This chapter describes some things you’ve learned about already in more detail, and adds some new things as well. 5.1. More on …
Python Land
https://python.land › python-data-types › python-set
Python Set: The Why And How With Example Code
Sep 16, 2025 · Python sets can be used to deduplicate lists, but they can do much more. Learn all about sets with this clear tutorial full of example code.

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Set Operations in Python

Python set operations (union, intersection, difference and symmetric dif…

https://www.geeksforgeeks.org/python-set-operations-union-intersection-difference-symmetric-difference/

Sets in Python – Real Python

https://realpython.com/python-sets/

Python Set (With Examples)

https://www.programiz.com/python-programming/set

Python Set (With Examples) - Programiz

Sets in Python - GeeksforGeeks

Python Sets - W3Schools

A Basic Guide to the Python Set By Practical Examples

Python Set Examples: From Basic to Advanced Use Cases

Sets in Python – Real Python

Python Set (With Examples)

Python Sets

5. Data Structures — Python 3.14.3 documentation

Python Set: The Why And How With Example Code

Videos of Example Of Set in Python

Deep dive into Example of Set in Python

Deep dive into Example of Set in Python

Python set operations (union, intersection, difference and symmetric dif…

https://www.geeksforgeeks.org/python-set-operations-union-intersection-difference-symmetric-difference/

Sets in Python – Real Python

https://realpython.com/python-sets/

Python Set (With Examples)

https://www.programiz.com/python-programming/set

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