title: django admin, adding views/context to index page
body: <p>I have been searching around with no definite guide or answer as I am new to django, I would like to add a variable/context to admin.</p>
  
  <p>I have the following function in my admin:</p>
  
  <pre><code>def my_view(request):
      var1 = request.user.get_full_name()
      var2 = SomeModel.objects.filter(name = var1)
      var3 = 0
      for item in var2:
          var3 += 1
  </code></pre>
  
  <p>How can I show/display <code>var3</code> in the admin's index page?</p>