Specifying Cleanup Actions

# Specifying Cleanup Actions in Swift: A Comprehensive Guide to `defer` Ever written code that allocates resources, opens files, or establishes network connections, only to forget to release them when something goes wrong? This can lead to memory leaks, file corruption, and a host of other problems. Swift provides a powerful and elegant solution called the `defer` statement, allowing you to specify cleanup actions that are guaranteed to be executed regardless of how your code exits – whether it