1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | import pandas as pd# Creating a DataFrame with 'Category' as a normal columndf = pd.DataFrame({ 'Category': ['A', 'A', 'B', 'B', 'C'], 'Value': [10, 20, 30, 40, 50]})print("Original DataFrame:")print(df)# Grouping by 'Category' columngrouped_by_column = df.groupby(level=0).sum()print("\nAfter Grouping by 'Category' Column:")print(grouped_by_column) |