title: terminal command line python3.3
body: <p>I'm following a book tutorial and it's telling me to install python3.3 with the command line</p>
  
  <pre><code>sudo apt-get install python3.3
  </code></pre>
  
  <p>however I'm getting errors</p>
  
  <pre><code>Unable to locate package python3.3
  Couldn't find any package by regex 'python3.3;
  </code></pre>