title: Looping through each item in a numpy array?
body: <p>I'm trying to access each item in a numpy 2D array.</p>
  
  <p>I'm used to something like this in Python [[...], [...], [...]]</p>
  
  <pre><code>for row in data:
      for col in data:
         print(data[row][col])
  </code></pre>
  
  <p>but now, I have a <code>data_array = np.array(features)</code></p>
  
  <p>How can I iterate through it the same way?</p>