क्लीन किए गए एक्सट्रैक्ट को Parquet में सिंक करना

# Write clean_checkouts straight to disk
clean_checkouts.____(
    CLEAN_EXPORT_PATH,
    # 5,000 rows per row group
    row_group_size=____,
    # Streaming engine
    engine="____",
)

# Confirm what landed in the Parquet file
result = pl.scan_parquet(CLEAN_EXPORT_PATH).select(
    pl.len().alias("rows"),
    pl.col("checkouts").sum().alias("total_checkouts"),
).collect()
print(result)