<p>我有以下数据帧:</p>
<pre><code>>>>name location problems
0 Lena Haifa ,,
1 Layla Aman not enough points
2 Dili Istanbul ,
...
</code></pre>
<p>如果少于5个字母,我想更改单元格内容,
所以我会得到这张桌子:</p>
<pre><code>>>>name location problems
0 Lena Haifa
1 Layla Aman not enough points
2 Dili Istanbul
...
</code></pre>
<p>(请记住,)</p>
<p>我该怎么做</p>