title: How to call an element in a numpy array?
body: <p>This is a really simple question, but I didnt find the answer.
  How to call an element in an numpy array?</p>
  
  <pre><code>import numpy as np
  
  arr = np.array([[1,2,3,4,5],[6,7,8,9,10]])
  
  print arr(0,0)
  </code></pre>
  
  <p>The code above doesn't work.</p>