text: #!/usr/bin/env python
  
  """
  """
  
  import numpy.random as rnd
  
  def rand_in_range(max): # returns integer, max: integer
      return rnd.randint(max)
  
  def rand_un(): # returns floating point
      return rnd.uniform()
  
  def rand_norm (mu, sigma): # returns floating point, mu: floating point, sigma: floating point
      return rnd.normal(mu, sigma)
      
  