create instrument urls, fetch, return results

def quote_by_instruments(cls, client, ids):
        """
        create instrument urls, fetch, return results
        """
        base_url = "https://api.robinhood.com/instruments"
        id_urls = ["{}/{}/".format(base_url, _id) for _id in ids]
        return cls.quotes_by_instrument_urls(client, id_urls)