title: How can I execute multiple lein tasks in one command?
body: <p>I'm new to leiningen.</p>
  
  <p>When I tried to execute following,</p>
  
  <pre><code>$ lein clean jar
  </code></pre>
  
  <p>I got</p>
  
  <pre><code>Wrong number of arguments to clean task. 
  Expected []
  $ 
  </code></pre>
  
  <p>How can I execute multiple tasks in one command?</p>