SyntaxError:解开元素名为'def‘的库，

Question

我使用XML库来解析untangle树。但是在树中，有一个名为def的元素。如果我试图访问它的值

obj = untangle.parse(pathtoxml)
entry = obj.entry_list
defn = entry.def

它正在播放SyntaxError。

  File "E:/python2/test/main.py", line 33
    defn = entry.def
                   ^
SyntaxError: invalid syntax

def是Python中的一个关键字，我如何访问这个值。

这是样例树

<entry_list version="1.0">
    <entry id="python">
        <ew>python</ew>
        <subj>ZH</subj>
        <art>
            <artref id="python"/>
            <capt>python</capt>
            <dim>75,15</dim>
        </art>
        <hw>py*thon</hw>
        <sound>
            <wav>python01.wav</wav>
            <wpr>!pI-+th@n</wpr>
        </sound>
        <pr>ˈpī-ˌthän, -thən</pr>
        <fl>noun</fl>
        <et>
            Latin, monstrous serpent killed by Apollo, from Greek
            <it>Pythōn,</it>
            from
            <it>Pythō</it>
            Delphi
        </et>
        <def>
            <date>1836</date>
            <dt>
                :any of various large constricting snakes (as a boa)
            </dt>
            <sd>especially</sd>
            <dt>
                :any of the large oviparous snakes (subfamily Pythoninae of the family Boidae) of Africa, Asia,
                Australia, and adjacent islands that include some of the largest existing snakes
            </dt>
        </def>
        <art>
            <bmp>python.bmp</bmp>
            <cap>python</cap>
        </art>
    </entry>
</entry_list>

Answer 1

所以，我终于想出了解决这个问题的办法。

defn = getattr(entry,'def')