sum_original_dataset = round(sum(original_dataset['sales_amount'].to_list()), 2)
sum_redact_dataset = round(sum(redact_dataset['sales_amount'].to_list()), 2)
sales_amount_Osbourne = round((sum_original_dataset - sum_redact_dataset), 2)
assert sales_amount_Osbourne == original_dataset.iloc[0, 4]