Alphabetize a list of feeds.

alphabetize.py

def site_list(request):
    feeds = Feed.objects.all().order_by('-title')
    result = {}
    # first separate by letter
    for feed in feeds:
        letter = feed.title[0]
        if letter in result.keys():
            result[letter].add(feed)
        else:
            result[letter] = [feed]

    # then alphabetize each letter's list
    for letter, list in result:
        list.sort()

    ctx = {'feeds' : feeds, 'alphabetized': result}
    template = 'aggregator/site_list.html'
    return render(request, template, ctx)