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  3. Data Transformation with Polars
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Bài tập

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.

Hướng dẫn

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