old_contents: # 
  # Author    : Manuel Bernal Llinares
  # Project   : ml-playground
  # Timestamp : 26-10-2017 9:50
  # ---
  # © 2017 Manuel Bernal Llinares <mbdebian@gmail.com>
  # All rights reserved.
  # 
  
  """
  Scratchpad / playground for the 4th chapter on the book
  """
  
  import time
  import pylab
  import random
  
  # Seed pseudo-random number generator
  random.seed(time.time())
  
  
new_contents: # 
  # Author    : Manuel Bernal Llinares
  # Project   : ml-playground
  # Timestamp : 26-10-2017 9:50
  # ---
  # © 2017 Manuel Bernal Llinares <mbdebian@gmail.com>
  # All rights reserved.
  # 
  
  """
  Scratchpad / playground for the 4th chapter on the book
  """
  
  import time
  import pylab
  import random
  
  # Seed pseudo-random number generator
  random.seed(time.time())
  
  print("+++> Create a random 100x5 Matrix")
  features = pylab.rand(100, 5)
subject: create a random 100x5 matrix