nathanborror/delay.swift

## delay.swift
let task = URLSession.shared.dataTask(with: req) { (data, response, error) in
    ...
}
DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(4)) {
    task.resume()
}
	let task = URLSession.shared.dataTask(with: req) { (data, response, error) in
	...
	}
	DispatchQueue.main.asyncAfter(deadline: .now() + .seconds(4)) {
	task.resume()
	}