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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 check_variable_attributes(self, ds):
 """ Check IOOS concepts that come from NC variable attributes. :param netCDF4.Dataset ds: An open netCDF dataset """

        return [
            self._has_var_attr(ds, 'platform', 'long_name', 'Station Long Name'),
            self._has_var_attr(ds, 'platform', 'short_name', 'Station Short Name'),
            self._has_var_attr(ds, 'platform', 'source', 'Platform Type'),
            self._has_var_attr(ds, 'platform', 'ioos_name', 'Station ID'),
            self._has_var_attr(ds, 'platform', 'wmo_id', 'Station WMO ID'),
            self._has_var_attr(ds, 'platform', 'comment', 'Station Description'),
        ]