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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 _build_mountpoint(self, volume):
 """ Given a generic volume definition, create the mountPoints element """

        self.add_volume(self._build_volume(volume))
        return {
            'sourceVolume': self.path_to_name(volume.get('host')),
            'containerPath': volume.get('container')
        }