多式联运电子提单框架模板：Python代码示例

{"carrier": "ABC Shipping", "consignor": "Company A", "consignee": "Company B", "mode_of_transportation": "Truck", "transport_documents": [{"document_type": "Waybill", "document_number": "WB123456", "date_issued": "2021-01-01"}, {"document_type": "Bill of Lading", "document_number": "BL789012", "date_issued": "2021-01-02"}]}