def week_num(self) -> WeekNumRequestBuilder:
        """
        Provides operations to call the weekNum method.
        """
        from .week_num.week_num_request_builder import WeekNumRequestBuilder

        return WeekNumRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to call the weekNum method.
        
msgraph/generated/drives/item/items/item/workbook/functions/functions_request_builder.py