Toggle iOS Dark Mode.swift

if <#condition#>{
            if #available(iOS 13.0, *) {
                UIView.transition (with: self.view, duration: 0.3, options: .transitionCrossDissolve, animations: {
                    self.overrideUserInterfaceStyle = .dark //.light or .unspecified
                    }, completion: nil)
            }
        }else{
            if #available(iOS 13.0, *) {
                UIView.transition (with: self.view, duration: 0.3, options: .transitionCrossDissolve, animations: {
                    self.overrideUserInterfaceStyle = .light //.light or .unspecified
                    }, completion: nil)

            }
        }