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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 slots(self):
 """Iterate over the Slots of the Template."""

        if self.implied:
            return ()

        data = clips.data.DataObject(self._env)

        lib.EnvDeftemplateSlotNames(self._env, self._tpl, data.byref)

        return tuple(
            TemplateSlot(self._env, self._tpl, n.encode()) for n in data.value)