old_contents: import string
  
  
  def caesar_cipher(plaintext, shift):
      # get all alphabets
      alphabets = string.ascii_lowercase
      shift_alphabets = alphabets[shift:] + alphabets[:shift]
      table = string.maketrans(alphabets, shift_alphabets)
      cipher_text = plaintext.translate(table)
      return cipher_text
  
  
  if __name__ == "__main__":
      print caesar_cipher('zdravo', 3)
  
new_contents: import string
  
  
  def caesar_cipher(plaintext, shift):
      # get all alphabets
      alphabets = string.ascii_lowercase
      shift_alphabets = alphabets[shift:] + alphabets[:shift]
      table = string.maketrans(alphabets, shift_alphabets)
      cipher_text = plaintext.translate(table)
      return cipher_text
  
  
  def test():
      cipher = 'Khoor'
      assert caesar_cipher('Hello', 3) == cipher
  
  
  if __name__ == "__main__":
      test()
subject: Add test