擅长:python、mysql、java
<p>关于数据的问题是从</p>
<pre><code>recalled_products = recall_details.find_all('td')
A = [[<td>beef</td>,
<td>250g</td>,
<td>6 25984 00005 3</td>,
<td>11253</td>],
[<td>Salmon</td>,
<td>300 g</td>,
<td>6 25984 00005 3</td>,
<td>11253</td>]]
</code></pre>
<p>或</p>
<pre><code>b = [<td>beef</td>,
<td>250g</td>,
<td>6 25984 00005 3</td>,
<td>11253</td>,
<td>Salmon</td>,
<td>300 g</td>,
<td>6 25984 00005 3</td>,
<td>11253</td>]
</code></pre>
<p>对于二维阵列,您希望使用索引二维阵列</p>
<pre><code>for i in range(len(recalled_products)):
brand = recalled_products[i][0].text
product = recalled_products[i][1].text
</code></pre>
<p>对于B,您希望在迭代中使用一个步骤</p>
<pre><code> for i in range(0,len(recalled_products),4):
brand = recalled_products[i].text
product = recalled_products[i+1].text
</code></pre>