On Fri, Oct 21, 2011 at 12:38 AM, Gora Mohanty <gora at mimirtech.com> wrote: > On Fri, Oct 21, 2011 at 12:10 AM, Asif Jamadar <asif.jamadar at rezayat.net> wrote: [...] > list1 = [] > for i in criteria_list[:2]: > for j in range(4): > l.append( ( i, j + 1 ) ) Oops, that last line should be list1.append(...) instead of l.append(...) Regards, Gora