title: Shuffle pandas columns
body: <p>I have the following data frame:</p>
  
  <pre><code>    Col1  Col2  Col3  Type
  0      1     2     3     1
  1      4     5     6     1
  2      7     8     9     2
  </code></pre>
  
  <p>and I would like to have a shuffled output like :</p>
  
  <pre><code>        Col3  Col1  Col2  Type
      0      3     1     2     1
      1      6     4     5     1
      2      9     7     8     2
  </code></pre>
  
  <p>How to achieve this?</p>