title: How to save an NxNxN array (or Matrix) into a file in Julia (or Python)?
body: <p>I'm working on a Jupyter notebook and currently using Julia</p>
  
  <p>I'm trying to save a 3x3x3 Array into a textfile so when I include it in another notebook, the array is a 3x3x3 Array too. </p>
  
  <p>Any suggestions? 
  Thanks in advance.</p>