the neccesary layers</li>
<li>write one helper function for the Conv-BatchNorm block and one for the SeparableConv-BatchNorm block according to <strong>[i]</strong></li>
<li>write one function for each one of the 3 flows according to <strong>[iii]</strong></li>
<li>use these helper functions to build the model.</li>
</ol><hr><h3 id="1-Imports"><a class="anchor hidden-xs" href="#1-Imports" title="1-Imports"><span class="octicon octicon-link"></span></a>1. Imports</h3><p><strong>Code:</strong></p><blockquote>