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exercise

Inspecting a Parquet schema

The Seattle library team has converted their classroom checkouts file to Parquet for faster analytics. Before they build any new reports, they want to confirm the column names and dtypes inside the file without loading any data.

polars is loaded as pl, and the path to the Parquet file is in PARQUET_PATH.

Instrucțiuni

100 XP
  • Inspect the Parquet file at PARQUET_PATH using the right method.