<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def setNeutral(self, aMathObject, deltaName="origin"):
 """Set the neutral object."""

        self._neutral = aMathObject
        self.addDelta(Location(), aMathObject-aMathObject, deltaName, punch=False, axisOnly=True)