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let location = gestureRecognizer.location(in: view)
let circleView = UIView()
let colors = [#colorLiteral(red: 0.4745098054, green: 0.8392156959, blue: 0.9764705896, alpha: 1),#colorLiteral(red: 0.5568627715, green: 0.3529411852, blue: 0.9686274529, alpha: 1),#colorLiteral(red: 0.9098039269, green: 0.4784313738, blue: 0.6431372762, alpha: 1),#colorLiteral(red: 0.9568627477, green: 0.6588235497, blue: 0.5450980663, alpha: 1),#colorLiteral(red: 0.9764705896, green: 0.850980401, blue: 0.5490196347, alpha: 1),#colorLiteral(red: 0.721568644, green: 0.8862745166, blue: 0.5921568871, alpha: 1)]
circleView.backgroundColor = colors[Int(arc4random_uniform(UInt32(colors.count)))].withAlphaComponent(0.8)
let size: CGFloat = 200
circleView.frame = CGRect(x: location.x, y: location.y, width: size, height: size).offsetBy(dx: -size/2, dy: -size/2)
circleView.layer.cornerRadius = size / 2
view.addSubview(circleView)
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