Question

我使用以下代码将dict转换为json并将其发送到javascript处理。代码从excel文件中读取并更新nested_dict。我的问题是当excel电子表格中有2个相似的值时，显然更新后的dict将忽略之前的值。

我如何能够保留所有重复项，请参阅下面的nested_dict示例。

代码：

book = xlrd.open_workbook(offer_path)
first_sheet = book.sheet_by_index(1)
nested_dict = {}
nested_dict["Design_Lump_Sum"] = {}
#print nested_dict
for i in range(12,19):
    design_cells = first_sheet.row_slice(rowx=i, start_colx=2, end_colx=4)
    if str(design_cells[0].value) and str(design_cells[1].value):
        if design_cells[1].value >0 :
            nested_dict["Design_Lump_Sum"].update({str(design_cells[0].value) : str(design_cells[1].value)})


nested_dict["Capex_Lump_Sum"] = {}
for i in range(22,155):
    capex_cells = first_sheet.row_slice(rowx=i, start_colx=2, end_colx=4)
    if str(capex_cells[0].value) and str(capex_cells[1].value):
        if capex_cells[1].value >0 : 
            nested_dict["Capex_Lump_Sum"].update({str(capex_cells[0].value) : str(capex_cells[1].value)})

nested_dict["Opex_Lump_Sum"] = {}
for i in range(157,175):
    Opex_cells = first_sheet.row_slice(rowx=i, start_colx=2, end_colx=4)
    if str(Opex_cells[0].value) and str(Opex_cells[1].value):
        if Opex_cells[1].value >0 : 
            nested_dict["Opex_Lump_Sum"].update({str(Opex_cells[0].value) : str(Opex_cells[1].value)})

nested_dict["Provisional_Sum"] = {}
for i in range(176,198):
    Provisional_cells = first_sheet.row_slice(rowx=i, start_colx=2, end_colx=4)
    if str(Provisional_cells[0].value) and str(Provisional_cells[1].value):
        if Provisional_cells[1].value >0 or Provisional_cells[1].value <0:
            nested_dict["Provisional_Sum"].update({str(Provisional_cells[0].value) : str(Provisional_cells[1].value)})

nested_dict["Management_fees"] = {}
for i in range(200,209):
    Management_fees = first_sheet.row_slice(rowx=i, start_colx=2, end_colx=4)
    if str(Management_fees[0].value) and str(Management_fees[1].value):
        if Management_fees[1].value >0 :
            nested_dict["Management_fees"].update({str(Management_fees[0].value) : str(Management_fees[1].value)})

nested_dict["CSA"] = {}
for i in range(211,231):
    CSA = first_sheet.row_slice(rowx=i, start_colx=2, end_colx=4)
    if str(CSA[0].value) and str(CSA[1].value):
        if CSA[1].value >0 or CSA[1].value <0 :
            nested_dict["CSA"].update({str(CSA[0].value) : str(CSA[1].value)})

nested_dict["Total"] = {}
nested_dict["Total"].update({"sub_Total": str(first_sheet.cell(234,3))})


print  nested_dict
return json.dumps(nested_dict)

列出由以下代码打印的输出示例：

{＆＃39; Management_fees＆＃39;：{}，＆＃39; Capex_Lump_Sum＆＃39;：{＆＃39;制冷剂管道＆＃39;：＆＃39; 48040.447＆＃39;，＆＃39;准备拖把＆＃39;＆＃39; 2137.681＆＃39;，＆＃39;标签＆＃39;：＆＃39; 653.016＆＃39;，＆＃39;渗透和保护＆＃39;：＆＃39; 1535.534＆＃39;，＆＃39; AC Plinth和Trays＆＃39;：＆＃39; 5221.762＆＃39;，＆＃39;绝缘面板Windows＆＃39;：＆＃39; 6527.794＆＃39;，＆＃39; MSSB＆＃39 ;: ＆＃39; 19582.199＆＃39;，＆＃39;制作好墙和地板＆＃39;：＃41; 4154.696＆＃39;，＆＃39;控制＆＃39;：＆＃39; 24092.978＆＃39;，＆＃39; **建筑测量师费（杂项）＆＃39;：＆＃39; 7038.85＆＃39;，＆＃39;项目管理，监督＆＃39; 38447.5＆＃39;，＆＃39;绘画＆＃39;：＆＃39; 9138.675＆＃39;，＆＃39;预备＆＃39;：＆＃39; 1306.032＆＃39;，＆＃39;包装系统布线＆＃39;：＆＃39; 16971.318＆＃39;，＆＃39;保修＆＃39;：＆＃39; 2610.881＆＃39;，＆＃39; Ductwork，Valves and Dampers＆＃39;：＆＃39; 77262.913＆＃39;，＆＃39; Unit ty pe＆＃39;＆＃39; 89107.109＆＃39;，＆＃39;新单位的结构工程师＆＃39;：＆＃39; 3916.913＆＃39;，＆＃39;手册＆＃39;：＆＃39; 3823.456＆＃39;，＆＃39; AMS和BMS工作＆＃39;：＆＃39; 3916.913＆＃39; ，＆＃39; Accoustic Report＆＃39;＆＃39; 4243.421＆＃39;，＆＃39; Lighting＆＃39;：＆＃39; 5033.665＆＃39;，＆＃39;图纸＆＃39;：＆＃39; 38 23.456＆＃39;，＆＃39; Temp Cooling＆＃39;：＆＃39; 10443.524＆＃39;，＆＃39;调试＆＃39;：＆＃39; 3263.897＆＃39;，＆＃39; Crane＆＃39;：＆＃39; 3003.637＆＃39;，＆＃39;拆除＆＃39;：＆＃39; 26455.429＆＃39;，＆＃39;火灾探测和报警FIP修改＆＃39;＆＃39; 3263.897＆＃39;＆＃39; LSL＆＃39;：＆＃39; 1939.81059657＆＃39;，＆＃39; Ec onomy Cycle＆＃39;：＆＃39; 23169.055＆＃39;}，＆＃39; Provisional_Sum＆＃39;：{＆＃39;凝汽器屋顶平台＆＃39;：＆＃39; 20000.0＆＃39;，＆＃39;去除电缆室出口外的梯子楼梯＆＃39;：＆＃39; 10000.0＆＃39;}，＆＃39; Opex_Lump_Sum＆＃39;：{}，＆＃39; CSA＆＃39;：{＆＃39;其他亨德利费用＆＃39; 3742.5＆＃39;，＆＃39;外部阶梯＆＃39;：＆＃39; 10147.0＆＃39;，＆＃39;石棉清除工程总计（42,485.15美元）（PS总和下的剩余费用为30,000美元）＆＃39;：＆＃39; 12485.15＆＃39;}，＆＃39; Design_Lump_Sum＆＃39;：{＆＃39; **详细设计＆＃39;：＆＃39; 15379.0＆＃39;，＆＃39; * * Const舞台服务＆＃39;：＆＃39; 4732.0＆＃39;，＆＃39; **初步设计＆＃39;：＆＃39; 2366.0＆＃39;}，＆＃39; Total＆＃39;： {＆＃39; sub_Total＆＃39;：＆＃39;号码：530154.0105965699＆＃39;}}

更新后，在dict中保留重复值

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