new_contents: print "solution for problem in http://rosalind.info/problems/fib/"
  
  cycles = 33
  birth_rate = 5
  
  mature_bunnies = 0
  new_bunnies = 1
  born_bunnies = 0
  
  
  def traverse():
  	global mature_bunnies, new_bunnies, born_bunnies
  	born_bunnies = mature_bunnies * birth_rate
  
  def grow():
  	global mature_bunnies, new_bunnies, born_bunnies
  	mature_bunnies = mature_bunnies + new_bunnies
  	new_bunnies = born_bunnies
  
  
  def cycle():
    traverse()
    grow()
  
  
  for t in range(cycles):
    print (t), 'cycle-', mature_bunnies, new_bunnies, born_bunnies
    cycle()
    
  print mature_bunnies
  
subject: Create recurrance.py