mk <mrkafk at gmail.com> wrote: > Hm, apparently Python didn't spot that 'spam'*10 in a's values is really > the same string, right? If you want it to spot that then give it a hint that it should be looking for identical strings: >>> a={} >>> for i in range(10000000): ... a[i]=intern('spam'*10) should reduce your memory use somewhat. -- Duncan Booth http://kupuguy.blogspot.com