title: Generating sum of nested NumPy arrays in python
body: <p>I have array like this :</p>
  
  <pre><code>[array([1,2,3,4]),array([5,6,7,8]),array([1,0,5,6]),array([8,1,2,9])]
  </code></pre>
  
  <p>I want <code>sum_Array=[10,26,12,20]</code></p>
  
  <p>can somebody help?
  how to do??</p>