The project
Three trips, with fares 10, 4 and 6. You'll copy them into a Parquet file, add the fares with pandas, add them again with DuckDB, and check that both totals are 20. The check says they agree. It does not say which tool is faster.
The steps
Your files
trips.pyyou write thismain.pyyou write thisdata/trips.csv3 rows