On Tue, Feb 3, 2009 at 2:46 PM, prasad rao <prasadaraon50 at gmail.com> wrote: > hi >>Right now you skip by x+((len(v))/columns) >>which will be different for each row. > How is it possible. len(v)=98.A constant. > Is it not. > Does len(v) changes with each iteration? No, but x does. -- André Engels, andreengels at gmail.com