_shape, opt_shape, max_shape must be provided, there must be no positional arguments, shape must not be defined and implictly this sets Input’s shape_mode to DYNAMIC
               </p>
              </li>
              <li>
               <p>
                <strong>
                 max_shape
                </strong>
                (
                <em>
                 Tuple
                </em>
                <em>
                 or
                </em>
                <em>
                 Lis