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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_group_category(self, category):
 """ Get a single group category. :calls: `GET /api/v1/group_categories/:group_category_id \ <https://canvas.instructure.com/doc/api/group_categories.html#method.group_categories.show>`_ :param category: The object or ID of the category. :type category: :class:`canvasapi.group.GroupCategory` or int :rtype: :class:`canvasapi.group.GroupCategory` """

        category_id = obj_or_id(category, "category", (GroupCategory,))

        response = self.__requester.request(
            'GET',
            'group_categories/{}'.format(category_id)
        )
        return GroupCategory(self.__requester, response.json())