代码实现

def scale(number, decimal_str="01"):
    """

    转换十进制成为任意进制数值，进制字母可自定义

    :param number: 十进制数值
    :param decimal_str: 默认数值字符是01，也就是说默认是转换成传统二进制数值
    :return: 进制转换后的数值字符串

    """
    alphabet = list(decimal_str)
    decimal = len(alphabet)
    output = ""
    while number != 0:
        number, digit = divmod(number, decimal)
        output += alphabet[digit]
    if output is "":
        output = alphabet[0]
    return output[::-1]


print(scale(9))