text: alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ"
  stringToDecrypt = input("Please enter a message to decrypt: ")
  stringToDecrypt = stringToDecrypt.upper()
  shiftAmount = [-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15,-16,-17,-18,-19,-20,-21,-22,-23,-24,-25]
  for decryptShift in shiftAmount:
      decryptedString = ""
      for currentCharacter in stringToDecrypt:
          position = alphabet.find(currentCharacter)
          newPosition = position + decryptShift
          if currentCharacter in alphabet:
              decryptedString = decryptedString + alphabet[newPosition]
          else:
              decryptedString = decryptedString + currentCharacter
      print("Your decrypted message is", decryptedString)