sith . wrote: > a = [[1,1],[3,1.5],[5,0]] > for i in range(len(a)) : This should use range(1, len(a)). You don't want i to take on the value 0.
> if a[i][1] > a[i-1][1] : When i==0 this compares a[0] to a[-1] which is the *last* element of the list; a[0][1] > a[-1][1] so it prints 'greater !!'. Kent PS Please reply to the original post rather than starting a new thread. _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
