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.
Diese Übung ist Teil des Kurses
Data Transformation with Polars
Anleitung zur Übung
- Join
hotelswithhostsonhost_idto keep only matching rows. - Print a few rows to check the join worked.
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
# Join hotels with hosts on host_id
enriched = hotels.____(hosts, on="____", how="____")
# Print a few rows
print(enriched.____())