Functions: - Setting a timer for different levels of egg hardness (Soft, Medium, or Hard) based on the user's selection. - Displaying the progress of the timer in the form of a progress bar. - Displaying the current level of hardness via a label. - Playing an alarm sound and displaying "DONE" message when the timer reaches the end. 💡 What did I learn? - Create and Manage UI elements (progress bar, labels and buttons) - Play an audio file by using AVFoundation framework - Use Timer class to schedule - Use IBOutlet and IBAction annotations to link interface elements to code - How to use data types (String, Int, Float)