func setScrollViewImage() {
        for i in 0..<3 {
            let imageView = UIImageView()
            imageView.image = imageArrary[i]
            imageView.contentMode = .scaleAspectFill
            let xPosition = self.horizontalScrollView.frame.width * CGFloat(i)
            let leftSpace = (self.horizontalScrollView.frame.width - (self.horizontalScrollView.frame.width * 2/3)) / 2
            imageView.frame = CGRect(x: xPosition + leftSpace,
                                     y: 0,
                                     width: self.horizontalScrollView.frame.width * 2/3,
                                     height: self.horizontalScrollView.frame.height)
            horizontalScrollView.contentSize.width = self.view.frame.width * CGFloat(1+i)
            horizontalScrollView.addSubview(imageView)
        }
        
    }