import urllib.request
import json

url = "https://update.k3s.io/v1-release/channels"
try:
    req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0', 'Accept': 'application/json'})
    with urllib.request.urlopen(req, timeout=10) as resp:
        data = json.loads(resp.read().decode())
        for item in data.get('data', []):
            print(f"{item.get('id')}: {item.get('latest')}")
except Exception as e:
    print("Error:", e)