fetchUserData.swift

func fetchUserData() {
        let urlStr = "https://randomuser.me/api/"
        if let url = URL(string: urlStr) {
            URLSession.shared.dataTask(with: url) { (data, response, error) in
                if let data = data,
                   let content = String(data: data, encoding: .utf8) {
                    print(content)
                    let decoder = JSONDecoder()
                    do {
                        let result = try decoder.decode(UserData.self, from: data)
                        self.userData = result
                        self.userImage = result.results[0].picture
                        DispatchQueue.main.async {
                            self.nameFirstLabel.text = "First : \(result.results[0].name.first)"
                            self.nameLastLabel.text = "Last : \(result.results[0].name.last)"
                            self.streetNumberLabel.text = "Number : \(result.results[0].location.street.number)"
                            self.streetNameLabel.text = "Name : \(result.results[0].location.street.name)"
                        }
                        URLSession.shared.dataTask(with: self.userImage.large!) { (data, response, error) in
                            if let data = data {
                                DispatchQueue.main.async {
                                    self.imageView.image = UIImage(data: data)
                                }
                            }
                        }.resume()
                    } catch {
                        print(error)
                    }
                }
            }.resume()
        }
    }