Python, Duckdb, Etl Pipeline, Analytics, Sql.
following code after the count_cars_by_model_year() function: for row in rows: year, count = row year_dir = os.path.join(output_dir, str(year)) os.makedirs(year_dir, exist_ok=True) file_path = os.path.join(year_dir, f"{year}.parquet") try: with open(file_path, "w") as file: file.write(f"Count: