擅长:python、mysql、java
<p><code>records</code>获取<code>rsplit</code>返回值的第一个元素。<code>remainder</code>是第二个。你知道吗</p>
<pre><code>% python
Python 2.7 (r27:82500, Sep 16 2010, 18:02:00)
[GCC 4.5.1 20100907 (Red Hat 4.5.1-3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> foo = [3, 9]
>>> [records, remainder] = foo
>>> records
3
>>> remainder
9
>>> foo = [3, 9, 10]
>>> [records, remainder] = foo
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: too many values to unpack
</code></pre>
<p>实际上,你不需要在<code>[records, remainder]</code>周围加方括号,但它们很有风格。你知道吗</p>