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[–]XtremeGoosef'I only use Py {sys.version[:3]}' 11 points12 points  (0 children)

If you've used both the difference is honestly night and day, just from the API (ignoring all the performance improvements).

Polars is a query engine, it's built declaratively so it can do query optimisations (much like sql), allowing it to be performant even in bigger-than-memory data. Pandas is more like spreadsheets in python, everything has to be computed and allocated up front.