Group and Transform Data in Python | Pandas GroupBy Explained for Visualization (pd.elt + groupby)

Описание: Master Pandas GroupBy to aggregate and prepare data for visualization.
Learn how grouping helps summarize complex datasets.

📌 Covered

🧑‍💻Using GroupBy and agg()
🧑‍💻Applying lambda functions
🧑‍💻Prepping data for charts

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