old_contents: # Vigenere Cipher Dictionary Hacker
  # https://www.nostarch.com/crackingcodes/ (BSD Licensed)
  
  import detectEnglish, vigenereCipher, pyperclip
  
  def main():
      ciphertext = """Tzx isnz eccjxkg nfq lol mys bbqq I lxcz."""
      hackedMessage = hackVigenereDictionary(ciphertext)
  
      if hackedMessage != None:
          print('Copying hacked message to clipboard:')
          print(hackedMessage)
          pyperclip.copy(hackedMessage)
      else:
          print('Failed to hack encryption.')
  
  
  def hackVigenereDictionary(ciphertext):
      fo = open('dictionary.txt')
      words = fo.readlines()
      fo.close()
  
      for word in lines:
          word = word.strip() # Remove the newline at the end.
          decryptedText = vigenereCipher.decryptMessage(word, ciphertext)
          if detectEnglish.isEnglish(decryptedText, wordPercentage=40):
              # Check with user to see if the decrypted key has been found:
              print()
              print('Possible encryption break:')
              print('Key ' + str(word) + ': ' + decryptedText[:100])
              print()
              print('Enter D for done, or just press Enter to continue breaking:')
              response = input('> ')
  
              if response.upper().startswith('D'):
                  return decryptedText
  
  if __name__ == '__main__':
      main()
new_contents: # Vigenère Cipher Dictionary Hacker
  # https://www.nostarch.com/crackingcodes/ (BSD Licensed)
  
  import detectEnglish, vigenereCipher, pyperclip
  
  def main():
      ciphertext = """Tzx isnz eccjxkg nfq lol mys bbqq I lxcz."""
      hackedMessage = hackVigenereDictionary(ciphertext)
  
      if hackedMessage != None:
          print('Copying hacked message to clipboard:')
          print(hackedMessage)
          pyperclip.copy(hackedMessage)
      else:
          print('Failed to hack encryption.')
  
  
  def hackVigenereDictionary(ciphertext):
      fo = open('dictionary.txt')
      words = fo.readlines()
      fo.close()
  
      for word in lines:
          word = word.strip() # Remove the newline at the end.
          decryptedText = vigenereCipher.decryptMessage(word, ciphertext)
          if detectEnglish.isEnglish(decryptedText, wordPercentage=40):
              # Check with user to see if the decrypted key has been found:
              print()
              print('Possible encryption break:')
              print('Key ' + str(word) + ': ' + decryptedText[:100])
              print()
              print('Enter D for done, or just press Enter to continue breaking:')
              response = input('> ')
  
              if response.upper().startswith('D'):
                  return decryptedText
  
  if __name__ == '__main__':
      main()
subject: Update vigenereDicitonaryHacker: added è character