old_contents: #  File:       crypto_square.py
  #  Purpose:    Implement the method for composing secret messages called a square code.
  #  Programmer: Amal Shehu
  #  Course:     Exercism
  #  Date:       Tuesday 28 September 2016, 03:27 PM
  
new_contents: #  File:       crypto_square.py
  #  Purpose:    Implement the method for composing secret messages called a square code.
  #  Programmer: Amal Shehu
  #  Course:     Exercism
  #  Date:       Tuesday 28 September 2016, 03:27 PM
  
  
  def crypto(message):
      normalized = ''.join(i for i in message.lower() if i.isalpha())
      print (normalized)
  
  crypto("If man was meant to stay on the ground, god would have given us roots.")
  
subject: Normalize message