Programming in Swift: Fundamentals

Oct 19 2021 Swift 5.5, iOS 15, Xcode 13

Part 4: More Collections

30. Challenge: Dictionaries

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Previous episode: 29. Accessing & Working with Dictionaries Next episode: 31. Working with Sets

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Update Notes: The student materials have been reviewed and are updated as of October 2021.

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It’s time for your next challenge! You can find the challenge in the “04 - Challenge - Dictionaries” page of the playground you’ve been using, or you can download a new one from the resources for this video. Open it up, and try solving the challenge questions on your own, then keep watching to compare your work to mine. Good luck!

var chris = [
    "name": "Chris",
    "profession": "Video Tutorialist",
    "country": "Canada",
    "city": "Halifax"
]
chris["country"] = "USA"
chris["city"] = "Cleveland"
chris["state"] = "Ohio"
chris.removeValue(forKey: "city")
chris["state"] = nil
for (key, value) in chris {
    print("\(key): \(value)")