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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 get_template(self, template_id):
 """ Get the template for a given template id. :param template_id: id of the template, str :return: """

        template = self.contract_concise.getTemplate(template_id)
        if template and len(template) == 4:
            return AgreementTemplate(*template)

        return None