import requests

  API = "https://example.com/v1/extract"
  params = {"num": 1, "type": "dynamic", "region": "cn"}
  resp = requests.get(API, params=params, timeout=5).json()

  proxy = resp["data"][0]["proxy"]  # 118.24.x.x:8123
  r = requests.get("https://myip.ipip.net",
                   proxies={"http": "http://"+proxy, "https": "http://"+proxy})
  print(r.text)
          

            import java.net.*;
            import java.io.*;

            public class ShanzhuProxy {
                public static void main(String[] args) throws Exception {
                    URL api = new URL("https://example.com/v1/extract?num=1");
                    String proxy = readFirstProxy(api); // 118.24.x.x:8123
                    String[] p = proxy.split(":");
                    Proxy px = new Proxy(Proxy.Type.HTTP,
                            new InetSocketAddress(p[0], Integer.parseInt(p[1])));
                    HttpURLConnection c = (HttpURLConnection)
                            new URL("https://myip.ipip.net").openConnection(px);
                    c.setConnectTimeout(5000);
                    System.out.println(c.getResponseCode());
                }

                private static String readFirstProxy(URL api) throws IOException {
                    try (BufferedReader br = new BufferedReader(new InputStreamReader(api.openStream()))) {
                        return br.readLine().trim();
                    }
                }
            }
          

          package main

          import (
            "fmt"
            "net/http"
            "net/url"
          )

          func main() {
            proxyURL, err := url.Parse("http://118.24.x.x:8123")
            if err != nil {
              panic(err)
            }
            client := &http.Client{
              Transport: &http.Transport{
                Proxy: http.ProxyURL(proxyURL),
              },
            }
            resp, err := client.Get("https://myip.ipip.net")
            if err != nil {
              panic(err)
            }
            defer resp.Body.Close()
            fmt.Println(resp.StatusCode)
          }
          

          NULL