making use of some utility functions;
        <code class="docutils literal notranslate">
         <span class="pre">
          efficientnet_preprocess
         </span>
        </code>
        for preprocessing input images,
        <code class="docutils literal notranslate">
         <span class="pre">
          predict
         </span>
        </code>
        to use the model for prediction and
        <code class="docutils literal notranslate">
         <span class="pre">
          benchmark
         </s