Видео ютуба по тегу Swift Optional Variable And Constants

Optional variables in Swift | Xcode Quick Tip #10

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Swift - Variables and Constants

Swift Variables & Constants Explained in 5 Minutes | Swift for Absolute Beginners [2025]

Swift - Variables and Constants

Swift Basics: Variables, Constants, Operators, Data Types | Your Guide to iOS Development

Swift Basics - Variables and Constants

Swift Tutorial: Swift Variables And Constants