  frame_list <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span><span class="va">df1</span>, <span class="va">df2</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>    vec_list <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span><span class="fl">4</span><span class="op">:</span><span class="fl">6