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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_field_names(self):
 """ ACIS web service returns "meta" and "data" for each station; Use meta attributes as field names """

        field_names = super(StationDataIO, self).get_field_names()
        if set(field_names) == set(['meta', 'data']):
            meta_fields = list(self.data[0]['meta'].keys())
            if set(meta_fields) < set(self.getvalue('meta')):
                meta_fields = self.getvalue('meta')
            field_names = list(meta_fields) + ['data']
        return field_names