En Sat, 17 Nov 2007 08:34:43 -0300, <patrick.waldo at gmail.com> escribió: > for i, country in countries_list: > if country in REGIONS_COUNTRIES['European Union']: > matrix.write(i+2, 1, country) > but I got "ValueError: too many values to unpack" Remove the i, and try again... -- Gabriel Genellina