Tutorial part 3, where is the admin site?

I am trying to learn django with the tutorial at: http://docs.djangoproject.com/en/dev/intro/tutorial03/ my admin site was working, then when I start the lesson 3 I changed the urls.py (I add the code below) and add the last 4 lines. I can see results from polls, templates and everything like tu

newie, django and apache, somethings are not working

Finally I finish the tutorial at http://docs.djangoproject.com/en/dev/intro/tutorial04/#intro-tutorial04 the example completly work on the WebServer test (the admin, questions and the polls, everything). Then when I tried to execute the application at apache server (I install mod_python, etc.) u