lass="n">fname</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">directory</span><span class="p">,</span> <span class="sa">f</span><span class="s2">&quot;Biomodels</span><span class="si">{</span><span class="n">start</span><span class="si">}</span><span class="s2">-</span><span class="si">{</span><span class="n">end</span> <span class="o">-</span> <span class="