import requests

def main(event=None, context=None):
    try:
        r = requests.get('https://httpbin.org/get', timeout=3)
        return {
            "statusCode": 200,
            "body": f"Demo OK: {r.status_code}, {r.json().get('url')}"
        }
    except Exception as e:
        return {
            "statusCode": 500,
            "body": f"Error: {str(e)}"
        }