format_row(label, value) that uses the str.format() method (not an f-string) to return label left-aligned in a 15-character field immediately followed by value right-aligned in a 10-character field.label = 'Revenue', value = 45230
'Revenue 45230'
'Revenue' padded to 15 chars with trailing spaces, then '45230' right-aligned in 10 chars.
`"{:<15}{:>10}".format(label, value)` handles both fields in one call.