人生苦短，我学python之python xml数据解析

<?xml version="1.0"?>
<data>
<country name="Liechtenstein">
<rank>1</rank>
<year>2008</year>
<gdppc>141100</gdppc>
<neighbor name="Austria" direction="E"/>
<neighbor name="Switzerland" direction="W"/>
</country>
<country name="Singapore">
<rank>4</rank>
<year>2011</year>
<gdppc>59900</gdppc>
<neighbor name="Malaysia" direction="N"/>
</country>
<country name="Panama">
<rank>68</rank>
<year>2011</year>
<gdppc>13600</gdppc>
<neighbor name="Costa Rica" direction="W"/>
<neighbor name="Colombia" direction="E"/>
</country>
</data>

>>> os.getcwd()
'D:\workspace\testpython'
>>> import xml.etree.ElementTree as ET
>>> tree = ET.parse('test.xml')
>>> root = tree.getroot()
>>> print root
<Element 'data' at 0x1d2a8b0>
>>> print tree
<xml.etree.ElementTree.ElementTree object at 0x01D2A9D0>
>>> root.tag
'data'
>>> root.attrib
{}
>>> #遍历子节点
>>> for child in root:
print child.tag,child.attrib

country {'name': 'Liechtenstein'}
country {'name': 'Singapore'}
country {'name': 'Panama'}
>>> root[0].text
' '
>>> root[0][1].text
'2008'
>>> root[1][3].text
>>> root[1][2].text
'59900'