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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 default_type(self):
 """The default value type for this Slot. The Python equivalent of the CLIPS deftemplate-slot-defaultp function. """

        return TemplateSlotDefaultType(
            lib.EnvDeftemplateSlotDefaultP(self._env, self._tpl, self._name))