反转加密法
    :param message: 待加密字符串
    :return: 被加密字符串

def reverse_cipher(message):
    """
    反转加密法
    :param message: 待加密字符串
    :return: 被加密字符串
    """
    translated = ''

    i = len(message) - 1
    while i >= 0:
        translated = translated + message[i]
        i = i - 1

    return translated