擅长:python、mysql、java
<pre><code>>>> text = 'lipsum'
>>> text[3:]
'sum'
</code></pre>
<p>有关详细信息,请参阅<a href="http://docs.python.org/tutorial/introduction.html#strings" rel="noreferrer">strings</a>的官方文档,有关<a href="https://stackoverflow.com/questions/509211/good-primer-for-python-slice-notation">this</a>符号的简明摘要,请回答。</p>