title: What does request.GET.get('page', '1') means here?
body: <p><strong>views.py</strong></p>
  
  <pre><code>from django.core.paginator import Paginator
  
  def index(request):
  
      posts_list = Post.objects.all().order_by('-id')
  
      paginator = Paginator(posts_list, 5)
  
      try:
          page = int(request.GET.get('page', '1'))
      except:
          page = 1
  
      try:
          posts = paginator.page(page)
      except(EmptyPage, InvalidPage):
          posts = paginator.page(paginator.num_pages)
  
      return render_to_response('home/index.html',
          { 'posts' : posts },
          context_instance=RequestContext(request))
  </code></pre>