Terry Reedy tjreedy at
Thu Apr 28 17:23:07 EDT 2011

On 4/28/2011 2:59 PM, Steven D'Aprano wrote:

> Still, it could be worse... I've seen a programs use 9999 to represent
> missing values, on the basis that nobody could ever have more than (say)
> 5000 invoices in the database...
> (I wish I was exaggerating.)

All 9s in a field for missing was once standard for Fortran programs.

Terry Jan Reedy

More information about the Python-list mailing list