ifier">str</span></dt><dd><p>Join cell values in a row.</p>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>add_attachment_content<span class="classifier">bool</span></dt><dd><p>Include text of plain-text attachments.</p>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt>headers<span class="classifier">dict</span></dt><dd><p>Request headers when using URLs.</p>
</dd>
</dl>
</li>
</ul>
</dd>
</dl>
</dd>
</dl>
<p class="rubric">Examples</p>
<p>Reading Text Files</p>
<div class="doctest highlight-default notranslate