old_contents: #!/bin/py 
  
  """
  Python 2.7 disk wiping utility for use on Linux OSs. 
  When you do a wipe (also sometimes called a secure delete), you are telling the operating system to not only update its file records, but also immediately overwrite the disk space with either zeros or random data, making it much harder to recover anything.
  """
  # Import Python modules 
  
  # Import `os module` to allows for use of operating system-dependent functions 
  import os
  
  # Import `re module` for regular expression parsing 
  import re  
  
  
  # Define functions 
  
  #def osName(): 
  #    """ Get OS name """
  #    return os.system('uname') 
  
  #def osCheck():
  #    """ Confirm Linux stautus """
  
  def listBlockDevices():
  	""" List mounted block devices """ 
  	return os.system('lsblk --nodeps --output NAME,MODEL,VENDOR,SIZE,STATE')    # lsblk -d -o NAME,MODEL,VENDOR,SIZE,STATE
  
  def defineBlockDevice(): 
      """ Prompt user to define block device """
      while True:
          try: 
              blockdevice = str(raw_input('Enter the letter of the block device you want to wipe: '))
              if not re.match("^[a-z]*$", stringy): 
                  raise ValueError()
              return stringy 
          except ValueError: 
              print "Sorry, that\'s not a valid block device. Please try again."
   
  def numberOfWipes(): 
      """ Prompt user for number of wipes to perform """ 
      while True: 
          try:
              wipes = int(raw_input('How many times do you want to wipe the disk?: '))
              if not wipes > 0: 
                  raise ValueError()
              return wipes 
          except ValueError: 
              print "Sorry, that\'s not a valid entry. Please try again."
  
  def confirmWipe():
      """ Prompt user to confirm number of wipes """
      while True: 
          try: 
              reply = str(raw_input('Are you sure you want to proceed? (Yes/No): ')).lower().strip()
              if reply == 'yes': 
                  return True 
              if reply == 'no': 
                  return False 
          except ValueError: 
              print "Sorry, that\'s not a valid entry. Please try again." 
   
  '''
  def zerosToDrive(): 
      """ Write zeros to drive """
      round=1
      for int in range(wipes): 
          os.system(("dd if=/dev/zero of =%s")%(device)) 
          round+=1 
  
  def wipeDrive(): 
      """ Guts of the program """
  '''
  listBlockDevices()
  numberOfWipes()
  confirmWipe()
  '''
  if__name__ == '__main__': 
  '''
  
  
  #def selectDiskWipe()
  
  #def numberWipes()
  
  #def confirmWipe()
  
  #def zeroDisk()
  
  
  
new_contents: #!/bin/py 
  
  """
  Python 2.7 disk wiping utility for use on Linux OSs. 
  When you do a wipe (also sometimes called a secure delete), you are telling the operating system to not only update its file records, but also immediately overwrite the disk space with either zeros or random data, making it much harder to recover anything.
  """
  # Import Python modules 
  
  # Import `os module` to allows for use of operating system-dependent functions 
  import os
  
  # Import `re module` for regular expression parsing 
  import re  
  
  
  # Define functions 
  
  #def osName(): 
  #    """ Get OS name """
  #    return os.system('uname') 
  
  #def osCheck():
  #    """ Confirm Linux stautus """
  
  def listBlockDevices():
  	""" List mounted block devices """ 
  	return os.system('lsblk --nodeps --output NAME,MODEL,VENDOR,SIZE,STATE')    # lsblk -d -o NAME,MODEL,VENDOR,SIZE,STATE
  
  def defineBlockDevice(): 
      """ Prompt user to define block device """
      while True:
          try: 
              blockdevice = str(raw_input('Enter the letter of the block device you want to wipe: '))
              if not re.match("^[a-z]*$", stringy): 
                  raise ValueError()
              return stringy 
          except ValueError: 
              print "Sorry, that\'s not a valid block device. Please try again."
   
  def numberOfWipes(): 
      """ Prompt user for number of wipes to perform """ 
      while True: 
          try:
              wipes = int(raw_input('How many times do you want to wipe the disk?: '))
              if not wipes > 0: 
                  raise ValueError()
              return wipes 
          except ValueError: 
              print "Sorry, that\'s not a valid entry. Please try again."
  
  def confirmWipe():
      """ Prompt user to confirm number of wipes """
      while True: 
          try: 
              reply = str(raw_input('Are you sure you want to proceed? (Yes/No): ')).lower().strip()
              if reply == 'yes': 
                  return True 
              if reply == 'no': 
                  return False 
          except ValueError: 
              print "Sorry, that\'s not a valid entry. Please try again." 
   
  '''
  def zerosToDrive(): 
      """ Write zeros to drive """
      round=1
      for int in range(wipes): 
          os.system(("dd if=/dev/zero of =%s")%(device)) 
          round+=1 
  
  def wipeDrive(): 
      """ Guts of the program """
  '''
  listBlockDevices()
  numberOfWipes()
  confirmWipe()
  '''
  if__name__ == '__main__': 
  '''
  
  
  
subject: Remove pseudo code placeholders