擅长:python、mysql、java
<p>按以下步骤进行:</p>
<pre><code>with open("Berry2019_Table1.txt", "r") as datafile:
print (datafile.read().split()[11::4])
mass = datafile.read().split()[11::4]
</code></pre>
<p>在<code>with</code>块之外<code>datafile</code>将被关闭,因此,您将无法访问它</p>