title: python running other python files
body: <p>You can get variables by:</p>
  <pre><code>from &lt;file&gt; import &lt;var/class/function&gt;
  </code></pre>
  <p>but it does not read the entire file.</p>
  <pre><code>import &lt;file&gt;
  </code></pre>
  <p>then what?</p>