import pandas as pd
# Creating a DataFrame with 'Category' as a normal column
df = pd.DataFrame({
'Category': ['A', 'A', 'B', 'B', 'C'],
'Value': [10, 20, 30, 40, 50]
})
print("Original DataFrame:")
print(df)
# Grouping by 'Category' column
grouped_by_column = df.groupby(level=0).sum()
print("\nAfter Grouping by 'Category' Column:")
print(grouped_by_column)