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Module 022: Sets

Phase: 3. Data Structures
Estimated Time: 1.5 hours
Milestone: No

Overview

Learn about sets, an unordered collection of unique elements. Master set operations for efficient membership testing and data deduplication.

Topics

Creating sets with {} and set()
Set methods: add, remove, discard, pop, clear, copy
Set operations: union (|), intersection (&), difference (-), symmetric difference (^)
Set comprehensions
frozenset (immutable set)
Eliminating duplicates from sequences

Learning Objectives

Create and manipulate sets using braces and the set() constructor
Use set methods to add, remove, and manage elements
Perform mathematical set operations (union, intersection, difference, symmetric difference)
Write set comprehensions
Explain when to use frozenset
Use sets to eliminate duplicate values

Prerequisites

Modules 000–021

Next Module

Module 023: Dictionaries: Basics