async function fetchWithRetry(url, options, maxRetries = 3) {
  for (let i = 0; i < maxRetries; i++) {
    const response = await fetch(url, options);
    if (response.status !== 429) return response;
    const waitTime = Math.pow(2, i) * 1000;
    await new Promise(resolve => setTimeout(resolve, waitTime));
  }
  throw new Error("Rate limit exceeded after retries");
}

import time
import requests

def fetch_with_retry(url, headers, max_retries=3):
    for i in range(max_retries):
        response = requests.get(url, headers=headers)
        if response.status_code != 429:
            return response
        time.sleep(2 ** i)
    raise Exception("Rate limit exceeded after retries")