Day 3-Revenue Aggregation per Region and Category | Spark Interview Problem.
To create a daily aggregated revenue dashboard, we need to sum the total revenue for each product category by region, helping managers make informed business decisions.
How to Group Data Using Polars .group_by() Quiz - Real Python
This interactive quiz tests your understanding of Polars' .group_by() technique for data aggregation and provides a scoring system to evaluate your grasp of the concepts.