nnes <pruebauno at latinmail.com> wrote: > file('output.txt','w').writelines(['%s,"%s"\n' % (line[:-1], > sum(map(int,line[1:-2].split('","')))) for line in > file('input.txt')]) file('output.txt','w').writelines(['%s,"%s"\n' % (line[:-1],sum(eval(line[1:-2]))) for line in file('input.txt')]) Regards Adam Przybyla