Addition

"""Perform addition using Django
"""
template = """<form method="post" action=" ">{% csrf_token %}
        <input type="text" name="a" > + <input type="text" name="b" >
        <input type="submit" value="="> <input type="text" name="result >
    </form>"""

def add(request):
    if request.POST.has_key('a'):
        a = int(request.POST['a'])
        b = int(request.POST['b'])
        result = request.POST['result']

    else:
        a = 0
        b = 0
    t = Template(template)
    c = RequestContext(request, {'a': a, 'b': b, 'result': a+b})
    return HttpResponse(t.render(c))

#url.py
urlpatterns = patterns('',
    url(r'^add/$', 'myapp.views.add'),
)