f</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
            <span class="n">c2k</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
            <span class="n">f2k</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
            <span class="n">mps2mph</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
            <span class="n">km2mi</span><span class="o">=</span><span clas