ass="fl">1</span><span class="op">:</span><span class="fl">5</span><span class="op">]</span>,</span></span>
<span class="r-in"><span>                                      start   <span class="op">=</span> <span class="fl">0</span>,</span></span>
<span class="r-in"><span>                                      end     <span class="op">=</span> <span class="fl">1234567</span>,</span></span>
<span class="r-in"><span>                                      chrom   <span class="op">=</span> <span class="va">chroms</