Key Concepts

Review core concepts you need to learn to master this subject

if Statement

var halloween = true if halloween { print("Trick or treat!") } // Prints: Trick or treat!

An if statement executes a code block when its condition evaluates to true. If the condition is false, the code block does not execute.

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What you'll create

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How you'll master it

Stress-test your knowledge with quizzes that help commit syntax to memory

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