Question

How to create a countdown seconds timer in Swift

Answer 1

import Foundation

func countdown(seconds: Int) {
    print("Total time: \(seconds) seconds")

    var remaining = seconds
    while remaining > 0 {
        sleep(1) // Sleep for 1 second
        remaining -= 1
        print("Time remaining: \(remaining) seconds")
    }
}

let sec = 5

countdown(seconds: sec)



/*
run:  

Total time: 5 seconds
Time remaining: 4 seconds
Time remaining: 3 seconds
Time remaining: 2 seconds
Time remaining: 1 seconds
Time remaining: 0 seconds
 
*/

 

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