"mdzsyn-coresym">def</span> <span class="mdzsyn-symbol">monday</span> <span class="mdzsyn-string">"It is monday"</span>)

<span class="mdzsyn-comment"># Now the evaluation should work - monday evaluates to "It is monday"</span>
<span class="mdzsyn-symbol">monday</span></code></pre><p>The most common thing to do with a keyword is to check it for equality or use it as a key into
a table or struct. Note that symbols, keywords and strings are all immutable. Besides making your
code easier to reason about, it al