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<p>我有这样一个信息列表:</p>
<pre><code>example = [
['68', ' ?', ' 38317', ' 1st-4th', ' 2', ' Divorced', ' ?', ' Not-in-family', ' White', ' Female', ' 0', ' 0', ' 20', ' United-States', ' <=50K'],
['32', ' ?', ' 293936', ' 7th-8th', ' 4', ' Married-spouse-absent', ' ?', ' Not-in-family', ' White', ' Male', ' 0', ' 0', ' 40', ' ?', ' <=50K']
]
</code></pre>
<p>又名<code>example[0]</code>是:</p>
<pre><code>['68', ' ?', ' 38317', ' 1st-4th', ' 2', ' Divorced', ' ?', ' Not-in-family', ' White', ' Female', ' 0', ' 0', ' 20', ' United-States', ' <=50K']
</code></pre>
<p>而<code>example[1]</code>将是:</p>
<pre><code>['32', ' ?', ' 293936', ' 7th-8th', ' 4', ' Married-spouse-absent', ' ?', ' Not-in-family', ' White', ' Male', ' 0', ' 0', ' 40', ' ?', ' <=50K']
</code></pre>
<p>我只想拿最后一点,<code>' <=50K'</code>,我该怎么做?你知道吗</p>