On 17 February 2014 16:13, Gabriele Brambilla <gb.gabrielebrambilla at gmail.com> wrote: > No sorry, > > it's because my problem is not so simple: > imagine that in a100 contains not integer sorted in a good way but a random > float numbers. > How could I display only one item every 10? for n, a in enumerate(a100): if n % 10 == 9: print(a) Oscar