How to use Sets in python | Python Set

Sets in Python

A Set is an unordered collection data type that is iterable, mutable and has no duplicate elements. Python’s set class represents the mathematical notion of a set. The major advantage of using a set, as opposed to a list, is that it has a highly optimized method for checking whether a specific element is contained in the set. This is based on a data structure known as a hash table. Since sets are unordered, we cannot access items using indexes like we do in lists.

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Python Sets 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 and usage. A set is a collection which is unordered

Python Sets In this tutorial, you'll learn everything about Python sets; how they are created, adding or removing elements from them, and all operations performed on sets in Python.

A set is an unordered collection of items. Every set element is unique (no duplicates) and must be immutable (cannot be changed).

However, a set itself is mutable. We can add or remove items from it. Sets can also be used to perform mathematical set operations like union, intersection, symmetric difference

Sets in Python Defining a Set

Set Size and Membership

Operating on a Set

Operators vs. Methods

Available Operators and Methods

Modifying a Set

Augmented Assignment Operators and Methods

Other Methods For Modifying Sets

Frozen Sets

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