擅长:python、mysql、java
<pre class="lang-py prettyprint-override"><code>import re
data = [[], [], [], [], [], [], [], [], [], [], ['productid="6836518"', 'productid="5965878"', 'productid="3851171"'], ['productid="6455623"'], [], ['productid="8024914"', 'productid="2871360"', 'productid="6694729"', 'productid="6760262"'], [], [], ['productid="6466698"', 'productid="5340641"', 'productid="6071996"', 'productid="5379225"'], ['productid="6683916"', 'productid="6690577"', 'productid="7117851"'], ['productid="7094467"'], ['productid="6628351"'], ['productid="5897930"'], ['productid="6812437"', 'productid="5379225"'], ['productid="7918467"', 'productid="7918466"'], []]
clean = []
for l in data:
for item in l:
clean.append(int(re.search('\d+', item).group(0)))
print(clean)
</code></pre>