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  1. 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 …

  2. Sets in Python - GeeksforGeeks

    Nov 7, 2025 · Python sets can store heterogeneous elements in it, i.e., a set can store a mixture of string, integer, boolean, etc datatypes. Frozen sets in Python are immutable objects that only support …

  3. Sets in Python – Real Python

    May 5, 2025 · Sets are useful when you need to run set operations, remove duplicates, run efficient membership tests, and more. In this tutorial, you’ll dive deep into the features of Python sets and …

  4. What Are Sets, and How Do They Work? - freeCodeCamp.org

    Python sets also have powerful methods that perform common mathematical set operations. The .issubset() and the .issuperset() methods check if a set is a subset or superset of another set, …

  5. Python Sets - Python Guides

    Python Sets are unordered collections of unique elements. Use them to remove duplicates, test membership, and perform set operations like union and intersection.

  6. Python Set: The Why And How With Example Code

    Sep 16, 2025 · Sets use the same curly braces as Python dictionaries, but they are easy to distinguish because a set always contains a sequence of elements separated by commas.

  7. 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 (integer, float, tuple, string, etc.).

  8. Sets — Interactive Python Course

    What is a set? A set in Python is an unordered collection of unique elements. Two key properties of sets are: Main characteristics of sets: Sets are based on the mathematical concept of sets, making them …

  9. A Basic Guide to the Python Set By Practical Examples

    Summary: in this tutorial, you’ll learn about Python Set type and how to use it effectively. A Python set is an unordered list of immutable elements. It means: Elements in a set are unordered. Elements in a …

  10. Understanding Sets in Python: Fundamentals, Usage, and Best Practices

    Mar 28, 2025 · In Python, a set is a powerful data structure that offers unique capabilities for data manipulation and analysis. Unlike lists and tuples, sets are unordered collections of distinct elements.