import time
import requests

def fetch_data():
    while True:
        try:
            response = requests.get("https://stock.stoknet.org/api/vnindexdata")
            if response.status_code == 200:
                print("Fetched data:", response.json())
            else:
                print(f"Error fetching data: {response.status_code}")
        except Exception as e:
            print("Exception:", e)
        time.sleep(10)

if __name__ == "__main__":
    fetch_data()