Peter Hansen wrote: >>>> ''.join(chr(c) for c in range(65, 91)) > 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' Wouldn't this be a candidate for making the Python language stricter? Do you remember old Python versions treating l.append(n1,n2) the same way like l.append((n1,n2)). I'm glad this is forbidden now. Ciao, Michael.