Converting matrix to an array in python
<p>I have an array of array in python. What is the best way to convert it to an array in python?
for example:</p>

<pre><code>m = [[1,2],[3,4]]
# convert to [1,2,3,4]
</code></pre>

<p>I am new in python, so I dont know any solution of it better than writing a loop. Please help.</p>
