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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def respond_for(self, view_function, args, kwargs):
 """Returns a response for the given view & args."""


        request = args[0]
        form = self.get_requested_form(request)
        if form.is_valid():
            result = self.handle_form_valid(request, form)
            if result:
                return result

        self.update_request(request, form)
        return view_function(*args, **kwargs)