new_contents: #!/usr/bin/env
  
  
  def menu():
      """Menu prompt for user to select program option"""
      while True:
          print '1. Overwrite all sectors with zeros (Faster, less secure).'
          print '2. Overwrite all sectors with random data (Slower, more secure).'
          print '3. I want to quit.'
          print()
          choice = input('Select an option (1, 2 or 3):  ')
          if choice in ('1','2','3'):
              return choice
  
subject: add simple menu for first iteration of program