擅长:python、mysql、java
<pre><code>In [172]: data = [[u'294 (24%) L', u'294 (26%) R'], [u'981 (71%) L', u'981 (82%) R'],]
In [173]: clean_data = [[int(item.split()[0]) for item in row] for row in data]
In [174]: clean_data
Out[174]: [[294, 294], [981, 981]]
In [175]: pd.DataFrame(clean_data, columns=list('xy'))
Out[175]:
x y
0 294 294
1 981 981
[2 rows x 2 columns]
</code></pre>