Sets

Sets store unique elements only. They're great for removing duplicates and mathematical set operations.

Creating Sets

Converting to Set

Exercises

Adding and Removing Elements

Set Operations

Membership Testing

Set Methods

Practical Example

Practice Playground

Key Takeaways

• Sets contain unique elements only
• set() to create empty set (not {})
• add(), remove(), discard() modify sets
• | union, & intersection, - difference
• Very fast membership testing with in
• Use sets to remove duplicates from lists