rocessor">#include</span> <span class="special">&lt;</span><span class="identifier">string</span><span class="special">&gt;</span>

<span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">python</span><span class="special">;</span>

<span class="keyword">void</span> <span class="identifier">print_python_version</span><span class="special">()</span>
<span class="special">{</span>
  <span class="comm