code: def quotes_by_instrument_urls(cls, client, urls):
          
          instruments = ",".join(urls)
          params = {"instruments": instruments}
          url = "https://api.robinhood.com/marketdata/quotes/"
          data = client.get(url, params=params)
          results = data["results"]
          while "next" in data and data["next"]:
              data = client.get(data["next"])
              results.extend(data["results"])
          return results
docs: fetch and return results