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  3. Data Transformation with Polars
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Exercise

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.

Инструкции

100 XP
  • Join hotels with hosts on host_id to keep only matching rows.
  • Print a few rows to check the join worked.