input: 
  def encrypt(message: str, key: str) -> str:
      """
      Encrypt a message using a key by adding the ASCII value of each character in the message
      to the ASCII value of the first character in the key.
      >>> encrypt("Hello", "secret")
      '\\x83\\x84\\x85\\x86ł'
      >>> encrypt("Goodbye", "key")
      'ÓÚÜÝáñ'
      """
      encrypted_msg = ""
      for char in message:
          encrypted_msg += chr(ord(char) + ord(key[0]))
      return encrypted_msg
  
output:     encrypted_msg = ""
      for char in message:
          encrypted_msg += chr(ord(char) + ord(key[0]))
      return encrypted_msg