def by_web_part_id(self,web_part_id: str) -> WebPartItemRequestBuilder:
        """
        Provides operations to manage the webparts property of the microsoft.graph.verticalSection entity.
        param web_part_id: The unique identifier of webPart
        Returns: WebPartItemRequestBuilder
        """
        if web_part_id is None:
            raise TypeError("web_part_id cannot be null.")
        from .item.web_part_item_request_builder import WebPartItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["webPart%2Did"] = web_part_id
        return WebPartItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the webparts property of the microsoft.graph.verticalSection entity.
        param web_part_id: The unique identifier of webPart
        Returns: WebPartItemRequestBuilder
        
msgraph/generated/sites/item/pages/item/graph_site_page/canvas_layout/vertical_section/webparts/webparts_request_builder.py