def calculate_total_revenue(): """ Calculate total revenue. """ # Get all sales sales = salesModel.list() # Init vars total_revenue = 0.0 # For each sale, sum amounts for sale in sales: total_revenue = total_revenue + sale.amount # Return return total_revenue
def calculate_average_ticket(): """ Calculate average ticket sale. """ # Get all sales sales = salesModel.list() # Init vars total_revenue = 0 count = 0 # For each sale, sum amounts for sale in sales: total_revenue = total_revenue + sale.amount count = count + 1 # Avoid division by zero if total_revenue == 0 or count == 0: return 0.0 # Calculate average return total_revenue / count