title: What is a difference between "pylab" and "matplotlib.pyplot"?
body: <p>I try to use MatPlotLib and I have realized that can import it in two different ways and in both cases it works (in the same way): <code>import pylab as p</code> or <code>import matplotlib.pyplot as p</code>.</p>
  
  <p>So, my question is what is the difference between these two ways?</p>