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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 output_links(self):
 """Return list of output link names"""

        output_links = []

        pm_dict = self.get_dict()
        output_links.append('surface_sample')
        if pm_dict['target_volume'] != 0.0:
            output_links.append('cell')

        return output_links