In what cases would you use a dictionary in your code?

• For storing key-value pairs where keys are unique.
• When quick data lookup by key is required.
• To represent JSON objects (Swift: [String: Any]).
• When creating temporary storage for settings or data.
• To group data by a certain criterion (key).

// Example of using a dictionary to store user settings
let userSettings: [String: Any] = [
    "theme": "dark",
    "fontSize": 16,
    "notificationsEnabled": true
]

// Accessing a value by key
if let theme = userSettings["theme"] as? String {
    print("Theme: \(theme)")
}