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  3. Scaling and Optimizing Data Pipelines with Polars
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연습 문제

Parsing a messy CSV

A third-party ebook vendor exports Seattle digital checkouts as a semicolon-separated CSV with two metadata rows above the real header. Configure your scan to handle the layout so the team can preview a clean table.

polars is loaded as pl. The path to the vendor file is in MESSY_CSV_PATH.

지침

100 XP
  • Skip the 2 metadata rows above the header.
  • Tell Polars that the columns are separated by semicolons.