new_contents: # Define a procedure, countdown, that takes a
  # positive whole number as its input, and prints
  # out a countdown from that number to 1,
  # followed by Blastoff!
  # The procedure should not return anything.
  # For this question, you just need to call 
  # the procedure using the line
  # countdown(3)
  # instead of print countdown(3).
  
  def countdown(nn):
      while nn > 0:
          print nn
          nn = nn - 1
      print "Blastoff!"
  
  #countdown(3)
  #>>> 3
  #>>> 2
  #>>> 1
  #>>> Blastoff!
  
  
  
subject: Create 03.py