LEARN
PYTHON

BY ACTUALLY
CODING.

1  import pandas as pd

2

3  # Load the sales dataset

4  df = pd.read_csv('sales_data.csv')

5

6  # Fill missing values with 0

7  df['revenue'] = df['revenue'].fillna(0)

8

9  # Calculate total revenue per region

10 summary = df.groupby('region')['revenue'].sum()

11 print(summary.sort_values(ascending=False))