Analyse sales data together part 7 # Extract year and month salesData['Year'] = salesData['Invoice Date'].dt.year salesData['Month'] = salesData['Invoice Date'].dt.month # Filter out the online sales onlineSales = salesData[salesData['Sales Method'] == 'Online'] # Group by year and month and sum the total sales monthlySales = onlineSales.groupby(['Year', 'Month'])['Total Sales'].sum().reset_index() # Pivot the data for line plot (years as columns, months as rows) pivotMonthlySales = monthlySales