 used to create a tuple with <code class="mendoza-code">[]</code>
characters (ie: a tuple literal).  The way a tuple literal is interpreted by
the compiler is one of the few ways in which bracketed tuples and non-bracketed
tuples differ:
</p>
<ul><li>Bracket tuples are interpreted as a tuple constructor rather than a
        function call by the compiler.</li>
    <li>When printed via <code class="mendoza-code">pp</code>, bracket tuples are printed with square
        brackets instead of parentheses.</li>
 