title: Txt file to arrays
body: <p>I was wondering as I'm kinda new to python, how may I convert my txt file as :</p>
  <pre><code>-20.92060089 -27.72520065 -27.55229950 
  -20.92469978 -27.69650078 -27.55340004 
  -20.92469978 -27.69890022 -27.55170059
  </code></pre>
  <p>To arrays thats kind :</p>
  <pre><code>[[-20.92060089, -27.72520065, -27.55229950],
   [-20.92469978, -27.69650078, -27.55340004],
   [-20.92469978, -27.69890022, -27.55170059]]
  </code></pre>