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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 get_additional_params(self, **params):
 """ Filter to get the additional params needed for polling """


        # TODO: Move these params to their own vertical if needed.
        polling_params = [
            'locationschema',
            'carrierschema',
            'sorttype',
            'sortorder',
            'originairports',
            'destinationairports',
            'stops',
            'outbounddeparttime',
            'outbounddepartstarttime',
            'outbounddepartendtime',
            'inbounddeparttime',
            'inbounddepartstarttime',
            'inbounddepartendtime',
            'duration',
            'includecarriers',
            'excludecarriers'
        ]

        additional_params = dict(
            (key, value) for key, value in params.items()
            if key in polling_params
        )

        return additional_params