func calis() {
let duration: Double = 0.1
let duration: Double = 0.1
Code Block UIView.animate(withDuration: duration, delay: 0, options: [.repeat, .autoreverse, .curveEaseIn] , animations: { self.mm.transform = CGAffineTransform(rotationAngle: .pi) self.l(view: self.pl) self.r(view: self.pr) }) { (_) in } }