title: How can I rotate the output in 90 degrees?
body: <p>I have a code and from <code>kladblok.txt</code> there is a file with the following numbers:</p>
  
  <pre><code>1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  1 2 3 4 5 6 7 8 9 10
  </code></pre>
  
  <p>How can i get the output :</p>
  
  <pre><code>1111111111
  2222222222
  </code></pre>
  
  <p>etc..</p>
  
  <p>Can someone help me?</p>