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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 template_id(self, value):
 """The transactional template id for this email :param value: The transactional template id for this email :type value: TemplateId """

        if isinstance(value, TemplateId):
            self._template_id = value
        else:
            self._template_id = TemplateId(value)