进制随意转换

# 十进制转化为N进制


def func1(s: str, s_base:int, n_base: int):
    baselist = '0123456789ABCDEF'
    res = str(s)

    # 原数不是十进制时，先转为十进制：累加
    if s_base != 10:
        ssum = 0
        s = str(s)[::-1]
        for i in range(len(s)):
            ssum += baselist.index(s[i]) * s_base ** i
        res = str(ssum)

    # 转为非十进制：累计求余
    if n_base != 10:
        temp = []
        while res:
            temp.append(baselist[int(res) % n_base])
            res = int(res) // n_base
        res = ''.join(temp[::-1])
    return res


if __name__ == '__main__':
    source = '233'
    s_base = 8
    n_base = 10
    print(func1(source, s_base, n_base))