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我一直在尝试提取在 XML 文件中看到的某些信息，但无法弄清楚如何从使用 FeedParser 提供的字典中提取它。这是原始 XML：

<SearchResults:searchresults xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:SearchResults="http://www.zillow.com/static/xsd/SearchResults.xsd"
xsi:schemaLocation="http://www.zillow.com/static/xsd/SearchResults.xsd http://www.zillowstatic.com/vstatic/15706ff87bd1719552647e4e6eb2b722/static/xsd/SearchResults.xsd">

  <request>
    <address>411 Aldrich Ave</address>
    <citystatezip>30079</citystatezip>
  </request>
  <message>
    <text>Request successfully processed</text>
    <code>0</code>
  </message>
  <response>
    <results>
      <result>
        <zpid>2115831629</zpid>
        <links>
          <homedetails>
          http://www.zillow.com/homedetails/411-Aldrich-Ave-Scottdale-GA-30079/2115831629_zpid/</homedetails>
          <mapthishome>
          http://www.zillow.com/homes/2115831629_zpid/</mapthishome>
          <comparables>
          http://www.zillow.com/homes/comps/2115831629_zpid/</comparables>
        </links>
        <address>
          <street>411 Aldrich Ave</street>
          <zipcode>30079</zipcode>
          <city>Scottdale</city>
          <state>GA</state>
          <latitude>33.787872</latitude>
          <longitude>-84.267332</longitude>
        </address>
        <FIPScounty>13089</FIPScounty>
        <useCode>SingleFamily</useCode>
        <yearBuilt>1915</yearBuilt>
        <zestimate>
          <amount currency="USD" />
          <last-updated>12/31/1969</last-updated>
          <oneWeekChange deprecated="true" />
          <valueChange />
          <valuationRange>
            <low currency="USD" />
            <high currency="USD" />
          </valuationRange>
          <percentile>0</percentile>
        </zestimate>
        <rentzestimate>
          <amount currency="USD">785</amount>
          <last-updated>03/11/2013</last-updated>
          <oneWeekChange deprecated="true" />
          <valueChange duration="30" currency="USD">7</valueChange>
          <valuationRange>
            <low currency="USD">589</low>
            <high currency="USD">950</high>
          </valuationRange>
        </rentzestimate>
        <localRealEstate>
          <region id="43068" type="city" name="Scottdale">
            <links>
              <overview>
              http://www.zillow.com/local-info/GA-Scottdale/r_43068/</overview>
              <forSaleByOwner>
              http://www.zillow.com/scottdale-ga/fsbo/</forSaleByOwner>
              <forSale>
              http://www.zillow.com/scottdale-ga/</forSale>
            </links>
          </region>
        </localRealEstate>
      </result>
    </results>
  </response>
</SearchResults:searchresults>
<!--
 H:004  T:21ms  S:1133  R:Wed Mar 13 08:51:11 PDT 2013  B:3.0.186358.20130311132712880-comp_rel_b.186358.20130311132846726-comp_rel_b 
-->

这是我跑步时得到的字典print feedparser.parse('zillow.xml')：

{'bozo': 0,
 'encoding': u'utf-8',
 'entries': [],
 'feed': {u'SearchResults_searchresults': {'schemalocation': u'http://www.zillow.com/static/xsd/SearchResults.xsd http://www.zillowstatic.com/vstatic/15706ff87bd1719552647e4e6eb2b722/static/xsd/SearchResults.xsd',
                                           'xsi:schemalocation': u'http://www.zillow.com/static/xsd/SearchResults.xsd http://www.zillowstatic.com/vstatic/15706ff87bd1719552647e4e6eb2b722/static/xsd/SearchResults.xsd'},
          'amount': {'currency': u'USD'},
          'high': {'currency': u'USD'},
          'low': {'currency': u'USD'},
          'oneweekchange': {'deprecated': u'true'},
          'region': {'id': u'43068', 'name': u'Scottdale', 'type': u'city'},
          'valuechange': {'currency': u'USD', 'duration': u'30'}},
 'namespaces': {u'SearchResults': u'http://www.zillow.com/static/xsd/SearchResults.xsd',
                u'xsi': u'http://www.w3.org/2001/XMLSchema-instance'},
 'version': u''}

在这个例子中，我试图退出：Rent Estimate/Amount

4

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