title: Previous expression in clojure repl
body: <p>In the python repl, getting the result of the previously input expression is easy:</p>
  
  <pre><code>&gt;&gt;&gt; 1+2
  3
  &gt;&gt;&gt; _
  3
  &gt;&gt;&gt; 
  </code></pre>
  
  <p>Is there a way to do this in the clojure repl?</p>