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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 finalcallback(request, **kwargs):
 """ let's do the callback of the related service after the auth request from UserServiceCreateView """

    default_provider.load_services()
    service_name = kwargs.get('service_name')
    service_object = default_provider.get_service(service_name)
    lets_callback = getattr(service_object, 'callback')
    # call the auth func from this class
    # and redirect to the external service page
    # to auth the application django-th to access to the user
    # account details
    return render_to_response(lets_callback(request))