Adding host information
You want to enrich your listings with host details. A hosts DataFrame contains host names and cities, linked by a shared host_id column. Join these DataFrames to see which host manages each property.
polars is loaded as pl, and the DataFrames hotels and hosts are available for you.
Questo esercizio fa parte del corso
Data Transformation with Polars
Istruzioni dell'esercizio
- Join
hotelswithhostsonhost_idto keep only matching rows. - Print a few rows to check the join worked.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
# Join hotels with hosts on host_id
enriched = hotels.____(hosts, on="____", how="____")
# Print a few rows
print(enriched.____())