How to add click action on UIButton in iOS

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private lazy var setBtn: UIButton = {         let btn = UIButton()         btn.addTarget(self, action: #selector(setBtnTap), for: .touchUpInside)         return btn     }()          @objc     func setBtnTap() {         print("setBtnTap")     }       private lazy var setBtn: UIButton = {         let btn = UIButton()         btn.addTarget(self, action: #selector(setBtnTap(_:)), for: .touchUpInside)         return btn     }()         @objc     func setBtnTap(_ sender: UIButton) {         print("setBtnTap")     } Colored by Color Scripter

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12~22번째 줄 : 버튼을 클릭해야 하는 경우입니다.

1~10th line: This is the case you don't need to get button you clicked

12~22th line: This is the case you need to get button you clicked

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