def original_text(cipher_text: str, key_new: str) -> str:
    or_txt = ""
    i = 0
    for letter in cipher_text:
        if letter == " ":
            or_txt += " "
        else:
            x = (dict1[letter] + dict1[key_new[i]] + 26) % 26
            i += 1
            or_txt += dict2[x]
    return or_txt