flattened=flattened.reindex(['invoice_id','reservation_id','Usage_gross', 'Mileage_gross','Late_return_gross', 'PCN_gross','PCN_admin_gross', 'Flex_gross', 'Driving_credits_gross', 'Total_VAT'], axis=1) flattened=flattened.fillna(0)
flattened=flattened.reindex(['invoice_id','reservation_id','Usage_gross', 'Mileage_gross','Late_return_gross', 'PCN_gross','PCN_admin_gross', 'Flex_gross', 'Driving_credits_gross', 'Total_VAT'], axis=1) flattened=flattened.fillna(0)