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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_id_from_name(self, name):
 """List placement group ids which match the given name."""

        _filter = {
            'placementGroups': {
                'name': {'operation': name}
            }
        }
        mask = "mask[id, name]"
        results = self.client.call('Account', 'getPlacementGroups', filter=_filter, mask=mask)
        return [result['id'] for result in results]