def by_section_group_id(self,section_group_id: str) -> SectionGroupItemRequestBuilder:
        """
        Provides operations to manage the sectionGroups property of the microsoft.graph.notebook entity.
        param section_group_id: The unique identifier of sectionGroup
        Returns: SectionGroupItemRequestBuilder
        """
        if section_group_id is None:
            raise TypeError("section_group_id cannot be null.")
        from .item.section_group_item_request_builder import SectionGroupItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["sectionGroup%2Did"] = section_group_id
        return SectionGroupItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the sectionGroups property of the microsoft.graph.notebook entity.
        param section_group_id: The unique identifier of sectionGroup
        Returns: SectionGroupItemRequestBuilder
        
msgraph/generated/groups/item/onenote/notebooks/item/section_groups/section_groups_request_builder.py