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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_page_template(self, **kwargs):
 """Return the template name used for this request. Only called if *page_template* is not given as a kwarg of *self.as_view*. """

        opts = self.object_list.model._meta
        return '{0}/{1}{2}{3}.html'.format(
            opts.app_label,
            opts.object_name.lower(),
            self.template_name_suffix,
            self.page_template_suffix,
        )