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Python 如何将2个xml文件与名称空间合并

python python-2.7

Python 如何将2个xml文件与名称空间合并,python,python-2.7,elementtree,Python,Python 2.7,Elementtree,我正在尝试使用ElementTree模块合并两个XML文件。以下是XML： a.xml： <?xml version="1.0"?> <ListOrdersResponse xmlns="https://mws.amazonservices.com/Orders/2013-09-01"> <ListOrdersResult> <NextToken>token</NextToken> <CreatedBefore

我正在尝试使用ElementTree模块合并两个XML文件。以下是XML：

a.xml
：

<?xml version="1.0"?>
<ListOrdersResponse xmlns="https://mws.amazonservices.com/Orders/2013-09-01">
  <ListOrdersResult>
    <NextToken>token</NextToken>
    <CreatedBefore>2014-10-07T08:13:11Z</CreatedBefore>
    <Orders>
      <Order>
        <AmazonOrderId>12345</AmazonOrderId>
        <SellerOrderId>R12345</SellerOrderId>
        <PurchaseDate>2014-10-02T14:40:37Z</PurchaseDate>
        <LastUpdateDate>2014-10-03T09:47:02Z</LastUpdateDate>
        <OrderStatus>Shipped</OrderStatus>
        <FulfillmentChannel>MFN</FulfillmentChannel>
        <SalesChannel>Amazon.in</SalesChannel>
        <ShipServiceLevel>IN Exp Dom 2</ShipServiceLevel>
        <ShippingAddress>
          <Name>name</Name>
          <AddressLine1>line1</AddressLine1>
          <AddressLine2>line2</AddressLine2>
          <City>Pune</City>
          <StateOrRegion>Maharashtra</StateOrRegion>
          <PostalCode>411027</PostalCode>
          <CountryCode>IN</CountryCode>
          <Phone>123456789</Phone>
        </ShippingAddress>
        <OrderTotal>
          <CurrencyCode>INR</CurrencyCode>
          <Amount>520.00</Amount>
        </OrderTotal>
        <NumberOfItemsShipped>1</NumberOfItemsShipped>
        <NumberOfItemsUnshipped>0</NumberOfItemsUnshipped>
        <PaymentExecutionDetail/>
        <PaymentMethod>Other</PaymentMethod>
        <MarketplaceId>mid</MarketplaceId>
        <BuyerEmail>email@buyer.com</BuyerEmail>
        <BuyerName>name</BuyerName>
        <ShipmentServiceLevelCategory>Expedited</ShipmentServiceLevelCategory>
        <ShippedByAmazonTFM>false</ShippedByAmazonTFM>
        <TFMShipmentStatus>Delivered</TFMShipmentStatus>
        <OrderType>StandardOrder</OrderType>
        <EarliestShipDate>2014-10-05T18:30:00Z</EarliestShipDate>
        <LatestShipDate>2014-10-07T18:29:59Z</LatestShipDate>
        <EarliestDeliveryDate>2014-10-07T18:30:00Z</EarliestDeliveryDate>
        <LatestDeliveryDate>2014-10-11T18:29:59Z</LatestDeliveryDate>
      </Order>
    </Orders>
  </ListOrdersResult>
</ListOrdersResponse>

<?xml version="1.0"?>
<ListOrdersByNextTokenResponse xmlns="https://mws.amazonservices.com/Orders/2013-09-01">
  <ListOrdersByNextTokenResult>
    <NextToken>token1</NextToken>
    <CreatedBefore>2014-10-07T08:13:11Z</CreatedBefore>
    <Orders>
      <Order>
        <AmazonOrderId>oid1</AmazonOrderId>
        <PurchaseDate>2014-10-04T13:37:41Z</PurchaseDate>
        <LastUpdateDate>2014-10-06T09:52:21Z</LastUpdateDate>
        <OrderStatus>Shipped</OrderStatus>
        <FulfillmentChannel>MFN</FulfillmentChannel>
        <SalesChannel>Amazon.in</SalesChannel>
        <ShipServiceLevel>IN Std Dom 2_50k_cod</ShipServiceLevel>
        <ShippingAddress>
          <Name>name1</Name>
          <AddressLine1>line1-1</AddressLine1>
          <AddressLine2>line2-1</AddressLine2>
          <City>WADHVANCITY,SURENDRANAGAR</City>
          <StateOrRegion>Gujarat</StateOrRegion>
          <PostalCode>363035</PostalCode>
          <CountryCode>IN</CountryCode>
          <Phone>987654321</Phone>
        </ShippingAddress>
        <OrderTotal>
          <CurrencyCode>INR</CurrencyCode>
          <Amount>242.00</Amount>
        </OrderTotal>
        <NumberOfItemsShipped>1</NumberOfItemsShipped>
        <NumberOfItemsUnshipped>0</NumberOfItemsUnshipped>
        <PaymentExecutionDetail/>
        <PaymentMethod>Other</PaymentMethod>
        <MarketplaceId>mid1</MarketplaceId>
        <BuyerEmail>email1@buyer.com</BuyerEmail>
        <BuyerName>name1</BuyerName>
        <ShipmentServiceLevelCategory>Standard</ShipmentServiceLevelCategory>
        <ShippedByAmazonTFM>false</ShippedByAmazonTFM>
        <TFMShipmentStatus>PendingPickUp</TFMShipmentStatus>
        <OrderType>StandardOrder</OrderType>
        <EarliestShipDate>2014-10-05T18:30:00Z</EarliestShipDate>
        <LatestShipDate>2014-10-07T18:29:59Z</LatestShipDate>
        <EarliestDeliveryDate>2014-10-09T18:30:00Z</EarliestDeliveryDate>
        <LatestDeliveryDate>2014-10-15T18:29:59Z</LatestDeliveryDate>
      </Order>
    </Orders>
  </ListOrdersByNextTokenResult>
</ListOrdersByNextTokenResponse>
我想将
Orders
elemnt中
b.xml
中的元素添加到
a.xml
因此，预期输出为：

<?xml version="1.0"?>
<ListOrdersResponse xmlns="https://mws.amazonservices.com/Orders/2013-09-01">
  <ListOrdersResult>
    <NextToken>token</NextToken>
    <CreatedBefore>2014-10-07T08:13:11Z</CreatedBefore>
    <Orders>
      <Order>
        <AmazonOrderId>12345</AmazonOrderId>
        <SellerOrderId>R12345</SellerOrderId>
        <PurchaseDate>2014-10-02T14:40:37Z</PurchaseDate>
        <LastUpdateDate>2014-10-03T09:47:02Z</LastUpdateDate>
        <OrderStatus>Shipped</OrderStatus>
        <FulfillmentChannel>MFN</FulfillmentChannel>
        <SalesChannel>Amazon.in</SalesChannel>
        <ShipServiceLevel>IN Exp Dom 2</ShipServiceLevel>
        <ShippingAddress>
          <Name>name</Name>
          <AddressLine1>line1</AddressLine1>
          <AddressLine2>line2</AddressLine2>
          <City>Pune</City>
          <StateOrRegion>Maharashtra</StateOrRegion>
          <PostalCode>411027</PostalCode>
          <CountryCode>IN</CountryCode>
          <Phone>123456789</Phone>
        </ShippingAddress>
        <OrderTotal>
          <CurrencyCode>INR</CurrencyCode>
          <Amount>520.00</Amount>
        </OrderTotal>
        <NumberOfItemsShipped>1</NumberOfItemsShipped>
        <NumberOfItemsUnshipped>0</NumberOfItemsUnshipped>
        <PaymentExecutionDetail/>
        <PaymentMethod>Other</PaymentMethod>
        <MarketplaceId>mid</MarketplaceId>
        <BuyerEmail>email@buyer.com</BuyerEmail>
        <BuyerName>name</BuyerName>
        <ShipmentServiceLevelCategory>Expedited</ShipmentServiceLevelCategory>
        <ShippedByAmazonTFM>false</ShippedByAmazonTFM>
        <TFMShipmentStatus>Delivered</TFMShipmentStatus>
        <OrderType>StandardOrder</OrderType>
        <EarliestShipDate>2014-10-05T18:30:00Z</EarliestShipDate>
        <LatestShipDate>2014-10-07T18:29:59Z</LatestShipDate>
        <EarliestDeliveryDate>2014-10-07T18:30:00Z</EarliestDeliveryDate>
        <LatestDeliveryDate>2014-10-11T18:29:59Z</LatestDeliveryDate>
      </Order>
      <Order>
        <AmazonOrderId>oid1</AmazonOrderId>
        <PurchaseDate>2014-10-04T13:37:41Z</PurchaseDate>
        <LastUpdateDate>2014-10-06T09:52:21Z</LastUpdateDate>
        <OrderStatus>Shipped</OrderStatus>
        <FulfillmentChannel>MFN</FulfillmentChannel>
        <SalesChannel>Amazon.in</SalesChannel>
        <ShipServiceLevel>IN Std Dom 2_50k_cod</ShipServiceLevel>
        <ShippingAddress>
          <Name>name1</Name>
          <AddressLine1>line1-1</AddressLine1>
          <AddressLine2>line2-1</AddressLine2>
          <City>WADHVANCITY,SURENDRANAGAR</City>
          <StateOrRegion>Gujarat</StateOrRegion>
          <PostalCode>363035</PostalCode>
          <CountryCode>IN</CountryCode>
          <Phone>987654321</Phone>
        </ShippingAddress>
        <OrderTotal>
          <CurrencyCode>INR</CurrencyCode>
          <Amount>242.00</Amount>
        </OrderTotal>
        <NumberOfItemsShipped>1</NumberOfItemsShipped>
        <NumberOfItemsUnshipped>0</NumberOfItemsUnshipped>
        <PaymentExecutionDetail/>
        <PaymentMethod>Other</PaymentMethod>
        <MarketplaceId>mid1</MarketplaceId>
        <BuyerEmail>email1@buyer.com</BuyerEmail>
        <BuyerName>name1</BuyerName>
        <ShipmentServiceLevelCategory>Standard</ShipmentServiceLevelCategory>
        <ShippedByAmazonTFM>false</ShippedByAmazonTFM>
        <TFMShipmentStatus>PendingPickUp</TFMShipmentStatus>
        <OrderType>StandardOrder</OrderType>
        <EarliestShipDate>2014-10-05T18:30:00Z</EarliestShipDate>
        <LatestShipDate>2014-10-07T18:29:59Z</LatestShipDate>
        <EarliestDeliveryDate>2014-10-09T18:30:00Z</EarliestDeliveryDate>
        <LatestDeliveryDate>2014-10-15T18:29:59Z</LatestDeliveryDate>
      </Order>
    </Orders>
  </ListOrdersResult>
</ListOrdersResponse>
但我得到了以下输出：

<ns0:ListOrdersResponse xmlns:ns0="https://mws.amazonservices.com/Orders/2013-09-01">
  <ns0:ListOrdersResult>
    <ns0:NextToken>token</ns0:NextToken>
    <ns0:CreatedBefore>2014-10-07T08:13:11Z</ns0:CreatedBefore>
    <ns0:Orders>
      <ns0:Order>
        <ns0:AmazonOrderId>12345</ns0:AmazonOrderId>
        <ns0:SellerOrderId>R12345</ns0:SellerOrderId>
        <ns0:PurchaseDate>2014-10-02T14:40:37Z</ns0:PurchaseDate>
        <ns0:LastUpdateDate>2014-10-03T09:47:02Z</ns0:LastUpdateDate>
        <ns0:OrderStatus>Shipped</ns0:OrderStatus>
        <ns0:FulfillmentChannel>MFN</ns0:FulfillmentChannel>
        <ns0:SalesChannel>Amazon.in</ns0:SalesChannel>
        <ns0:ShipServiceLevel>IN Exp Dom 2</ns0:ShipServiceLevel>
        <ns0:ShippingAddress>
          <ns0:Name>name</ns0:Name>
          <ns0:AddressLine1>line1</ns0:AddressLine1>
          <ns0:AddressLine2>line2</ns0:AddressLine2>
          <ns0:City>Pune</ns0:City>
          <ns0:StateOrRegion>Maharashtra</ns0:StateOrRegion>
          <ns0:PostalCode>411027</ns0:PostalCode>
          <ns0:CountryCode>IN</ns0:CountryCode>
          <ns0:Phone>123456789</ns0:Phone>
        </ns0:ShippingAddress>
        <ns0:OrderTotal>
          <ns0:CurrencyCode>INR</ns0:CurrencyCode>
          <ns0:Amount>520.00</ns0:Amount>
        </ns0:OrderTotal>
        <ns0:NumberOfItemsShipped>1</ns0:NumberOfItemsShipped>
        <ns0:NumberOfItemsUnshipped>0</ns0:NumberOfItemsUnshipped>
        <ns0:PaymentExecutionDetail />
        <ns0:PaymentMethod>Other</ns0:PaymentMethod>
        <ns0:MarketplaceId>mid</ns0:MarketplaceId>
        <ns0:BuyerEmail>email@buyer.com</ns0:BuyerEmail>
        <ns0:BuyerName>name</ns0:BuyerName>
        <ns0:ShipmentServiceLevelCategory>Expedited</ns0:ShipmentServiceLevelCategory>
        <ns0:ShippedByAmazonTFM>false</ns0:ShippedByAmazonTFM>
        <ns0:TFMShipmentStatus>Delivered</ns0:TFMShipmentStatus>
        <ns0:OrderType>StandardOrder</ns0:OrderType>
        <ns0:EarliestShipDate>2014-10-05T18:30:00Z</ns0:EarliestShipDate>
        <ns0:LatestShipDate>2014-10-07T18:29:59Z</ns0:LatestShipDate>
        <ns0:EarliestDeliveryDate>2014-10-07T18:30:00Z</ns0:EarliestDeliveryDate>
        <ns0:LatestDeliveryDate>2014-10-11T18:29:59Z</ns0:LatestDeliveryDate>
      </ns0:Order>
    <ns0:AmazonOrderId>oid1</ns0:AmazonOrderId>
        <ns0:PurchaseDate>2014-10-04T13:37:41Z</ns0:PurchaseDate>
        <ns0:LastUpdateDate>2014-10-06T09:52:21Z</ns0:LastUpdateDate>
        <ns0:OrderStatus>Shipped</ns0:OrderStatus>
        <ns0:FulfillmentChannel>MFN</ns0:FulfillmentChannel>
        <ns0:SalesChannel>Amazon.in</ns0:SalesChannel>
        <ns0:ShipServiceLevel>IN Std Dom 2_50k_cod</ns0:ShipServiceLevel>
        <ns0:ShippingAddress>
          <ns0:Name>name1</ns0:Name>
          <ns0:AddressLine1>line1-1</ns0:AddressLine1>
          <ns0:AddressLine2>line2-1</ns0:AddressLine2>
          <ns0:City>WADHVANCITY,SURENDRANAGAR</ns0:City>
          <ns0:StateOrRegion>Gujarat</ns0:StateOrRegion>
          <ns0:PostalCode>363035</ns0:PostalCode>
          <ns0:CountryCode>IN</ns0:CountryCode>
          <ns0:Phone>987654321</ns0:Phone>
        </ns0:ShippingAddress>
        <ns0:OrderTotal>
          <ns0:CurrencyCode>INR</ns0:CurrencyCode>
          <ns0:Amount>242.00</ns0:Amount>
        </ns0:OrderTotal>
        <ns0:NumberOfItemsShipped>1</ns0:NumberOfItemsShipped>
        <ns0:NumberOfItemsUnshipped>0</ns0:NumberOfItemsUnshipped>
        <ns0:PaymentExecutionDetail />
        <ns0:PaymentMethod>Other</ns0:PaymentMethod>
        <ns0:MarketplaceId>mid1</ns0:MarketplaceId>
        <ns0:BuyerEmail>email1@byer.com</ns0:BuyerEmail>
        <ns0:BuyerName>name1</ns0:BuyerName>
        <ns0:ShipmentServiceLevelCategory>Standard</ns0:ShipmentServiceLevelCategory>
        <ns0:ShippedByAmazonTFM>false</ns0:ShippedByAmazonTFM>
        <ns0:TFMShipmentStatus>PendingPickUp</ns0:TFMShipmentStatus>
        <ns0:OrderType>StandardOrder</ns0:OrderType>
        <ns0:EarliestShipDate>2014-10-05T18:30:00Z</ns0:EarliestShipDate>
        <ns0:LatestShipDate>2014-10-07T18:29:59Z</ns0:LatestShipDate>
        <ns0:EarliestDeliveryDate>2014-10-09T18:30:00Z</ns0:EarliestDeliveryDate>
        <ns0:LatestDeliveryDate>2014-10-15T18:29:59Z</ns0:LatestDeliveryDate>
      </ns0:Orders>
  </ns0:ListOrdersResult>
</ns0:ListOrdersResponse>


代币
2014-10-07T08:13:11Z
12345
R12345
2014-10-02T14:40:37Z
2014-10-03T09:47:02Z
装船
最惠国待遇
亚马逊
在expdom2中
名称
第1行
第2行
浦那
马哈拉施特拉邦
411027
在里面
123456789
印度卢比
520
1.
0
其他
中间
email@buyer.com
名称
加快
假的
交付
标准订单
2014-10-05T18:30:00Z
2014-10-07T18:29:59Z
2014-10-07T18:30:00Z
2014-10-11T18:29:59Z
oid1
2014-10-04T13:37:41Z
2014-10-06T09:52:21Z
装船
最惠国待遇
亚马逊
标准Dom 2_50k_cod
名称1
第1-1行
第2-1行
瓦德瓦西蒂，苏伦德拉那加
古吉拉特邦
363035
在里面
987654321
印度卢比
242
1.
0
其他
中1
email1@byer.com
名称1
标准
假的
悬挂式皮卡
标准订单
2014-10-05T18:30:00Z
2014-10-07T18:29:59Z
2014-10-09T18:30:00Z
2014-10-15T18:29:59Z
为什么我会得到
ns0
？另外，第二个订单缺少
标记。如何在没有ns0的情况下获得所需的输出。我同意使用其他模块的建议，如果它能让生活更轻松的话。：）
感谢

ns0表示“名称空间0”-它是名称空间dict和“resp:tagname”术语的结果

不过，我真的建议使用它来实现这一点——使用xml更好：

从bs4导入美化组
soup=BeautifulSoup（打开（'a.xml'））
插入点=soup.listordersresult.orders
orders_b=BeautifulSoup（打开（'b.xml'））.listordersbynexttokenresult.orders
#可能只是orders_b=beautifulsou（open（'b.xml'））
orders\u to\u insert=orders\u b.查找所有（'订单'）
对于订单中的订单，插入：
插入点追加（顺序）
印花（汤）
我的建议是lxml。ns0与elementtree有关。顺便说一句，我也收到了。这很有效。但我在XML上获得了一个HTML输出
…根据需要…
不需要，但是假设您可以添加“xml”作为
BeautifulSoup（）
对象的第二个参数，例如
soup=BeautifulSoup（open（'a.xml'），'xml'）
——如果您安装了bs4，它应该会自动检测到。以前版本的bs更关注这一点，而且
pip安装beautifulsoup
和
pip安装beautifulsoup4
之间存在差异，我确实
pip安装beautifulsoup4
。添加第二个参数后，我得到了以下错误：
insertion\u point=soup.listordersresult.orders AttributeError:“NoneType”对象没有属性“orders”
，这很奇怪。。。当我运行我发布的snippit（在py2.7或py3.4下）时，它按预期工作，输出中没有或标记。我不确定是什么原因导致您的系统上的行为不同。而且，这会使所有标记名都失效。这是不可取的 
<ns0:ListOrdersResponse xmlns:ns0="https://mws.amazonservices.com/Orders/2013-09-01">
  <ns0:ListOrdersResult>
    <ns0:NextToken>token</ns0:NextToken>
    <ns0:CreatedBefore>2014-10-07T08:13:11Z</ns0:CreatedBefore>
    <ns0:Orders>
      <ns0:Order>
        <ns0:AmazonOrderId>12345</ns0:AmazonOrderId>
        <ns0:SellerOrderId>R12345</ns0:SellerOrderId>
        <ns0:PurchaseDate>2014-10-02T14:40:37Z</ns0:PurchaseDate>
        <ns0:LastUpdateDate>2014-10-03T09:47:02Z</ns0:LastUpdateDate>
        <ns0:OrderStatus>Shipped</ns0:OrderStatus>
        <ns0:FulfillmentChannel>MFN</ns0:FulfillmentChannel>
        <ns0:SalesChannel>Amazon.in</ns0:SalesChannel>
        <ns0:ShipServiceLevel>IN Exp Dom 2</ns0:ShipServiceLevel>
        <ns0:ShippingAddress>
          <ns0:Name>name</ns0:Name>
          <ns0:AddressLine1>line1</ns0:AddressLine1>
          <ns0:AddressLine2>line2</ns0:AddressLine2>
          <ns0:City>Pune</ns0:City>
          <ns0:StateOrRegion>Maharashtra</ns0:StateOrRegion>
          <ns0:PostalCode>411027</ns0:PostalCode>
          <ns0:CountryCode>IN</ns0:CountryCode>
          <ns0:Phone>123456789</ns0:Phone>
        </ns0:ShippingAddress>
        <ns0:OrderTotal>
          <ns0:CurrencyCode>INR</ns0:CurrencyCode>
          <ns0:Amount>520.00</ns0:Amount>
        </ns0:OrderTotal>
        <ns0:NumberOfItemsShipped>1</ns0:NumberOfItemsShipped>
        <ns0:NumberOfItemsUnshipped>0</ns0:NumberOfItemsUnshipped>
        <ns0:PaymentExecutionDetail />
        <ns0:PaymentMethod>Other</ns0:PaymentMethod>
        <ns0:MarketplaceId>mid</ns0:MarketplaceId>
        <ns0:BuyerEmail>email@buyer.com</ns0:BuyerEmail>
        <ns0:BuyerName>name</ns0:BuyerName>
        <ns0:ShipmentServiceLevelCategory>Expedited</ns0:ShipmentServiceLevelCategory>
        <ns0:ShippedByAmazonTFM>false</ns0:ShippedByAmazonTFM>
        <ns0:TFMShipmentStatus>Delivered</ns0:TFMShipmentStatus>
        <ns0:OrderType>StandardOrder</ns0:OrderType>
        <ns0:EarliestShipDate>2014-10-05T18:30:00Z</ns0:EarliestShipDate>
        <ns0:LatestShipDate>2014-10-07T18:29:59Z</ns0:LatestShipDate>
        <ns0:EarliestDeliveryDate>2014-10-07T18:30:00Z</ns0:EarliestDeliveryDate>
        <ns0:LatestDeliveryDate>2014-10-11T18:29:59Z</ns0:LatestDeliveryDate>
      </ns0:Order>
    <ns0:AmazonOrderId>oid1</ns0:AmazonOrderId>
        <ns0:PurchaseDate>2014-10-04T13:37:41Z</ns0:PurchaseDate>
        <ns0:LastUpdateDate>2014-10-06T09:52:21Z</ns0:LastUpdateDate>
        <ns0:OrderStatus>Shipped</ns0:OrderStatus>
        <ns0:FulfillmentChannel>MFN</ns0:FulfillmentChannel>
        <ns0:SalesChannel>Amazon.in</ns0:SalesChannel>
        <ns0:ShipServiceLevel>IN Std Dom 2_50k_cod</ns0:ShipServiceLevel>
        <ns0:ShippingAddress>
          <ns0:Name>name1</ns0:Name>
          <ns0:AddressLine1>line1-1</ns0:AddressLine1>
          <ns0:AddressLine2>line2-1</ns0:AddressLine2>
          <ns0:City>WADHVANCITY,SURENDRANAGAR</ns0:City>
          <ns0:StateOrRegion>Gujarat</ns0:StateOrRegion>
          <ns0:PostalCode>363035</ns0:PostalCode>
          <ns0:CountryCode>IN</ns0:CountryCode>
          <ns0:Phone>987654321</ns0:Phone>
        </ns0:ShippingAddress>
        <ns0:OrderTotal>
          <ns0:CurrencyCode>INR</ns0:CurrencyCode>
          <ns0:Amount>242.00</ns0:Amount>
        </ns0:OrderTotal>
        <ns0:NumberOfItemsShipped>1</ns0:NumberOfItemsShipped>
        <ns0:NumberOfItemsUnshipped>0</ns0:NumberOfItemsUnshipped>
        <ns0:PaymentExecutionDetail />
        <ns0:PaymentMethod>Other</ns0:PaymentMethod>
        <ns0:MarketplaceId>mid1</ns0:MarketplaceId>
        <ns0:BuyerEmail>email1@byer.com</ns0:BuyerEmail>
        <ns0:BuyerName>name1</ns0:BuyerName>
        <ns0:ShipmentServiceLevelCategory>Standard</ns0:ShipmentServiceLevelCategory>
        <ns0:ShippedByAmazonTFM>false</ns0:ShippedByAmazonTFM>
        <ns0:TFMShipmentStatus>PendingPickUp</ns0:TFMShipmentStatus>
        <ns0:OrderType>StandardOrder</ns0:OrderType>
        <ns0:EarliestShipDate>2014-10-05T18:30:00Z</ns0:EarliestShipDate>
        <ns0:LatestShipDate>2014-10-07T18:29:59Z</ns0:LatestShipDate>
        <ns0:EarliestDeliveryDate>2014-10-09T18:30:00Z</ns0:EarliestDeliveryDate>
        <ns0:LatestDeliveryDate>2014-10-15T18:29:59Z</ns0:LatestDeliveryDate>
      </ns0:Orders>
  </ns0:ListOrdersResult>
</ns0:ListOrdersResponse>

import xml.etree.ElementTree as ET
from StringIO import StringIO

namespaces = {'resp': 'https://mws.amazonservices.com/Orders/2013-09-01'}

tree = ET.parse("a.xml")
root = tree.getroot()

results = root.find("resp:ListOrdersResult", namespaces=namespaces)
order_array = results.find("resp:Orders", namespaces=namespaces).getchildren()

tree1 = ET.parse("b.xml")
root1 = tree1.getroot()

results1 = root1.find("resp:ListOrdersByNextTokenResult", namespaces=namespaces)
order_array1 = results1.find("resp:Orders", namespaces=namespaces).getchildren()

for order in order_array1:
    order_array.append(order)

tree.write("temp.xml")

correct_data = open("temp.xml").read().replace('ns0:', '').replace(':ns0','')
filewrite = open("combined.xml", 'w')
filewrite.write(correct_data)
filewrite.close()