> <span class="c1"># The first number to be added</span>
    <span class="n">b</span><span class="p">:(</span><span class="nb">int</span><span class="p">,</span> <span class="nb">float</span><span class="p">)</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="c1"># The second number to be added</span>
<span class="p">)</span><span class="o">-&gt;</span> <span class="p">(</span><span class="nb">int</span><span class="p">,</span><span class="nb">float</span><span clas