https://blog.csdn.net/qq_42780731/article/details/107939545

    ↓ 2进制 8进制 10进制 16进制
    2进制 - bin(int(x, 8)) bin(int(x, 10)) bin(int(x, 16))
    8进制 oct(int(x, 2)) - oct(int(x, 10)) oct(int(x, 16))
    10进制 int(x, 2) int(x, 8) - int(x, 16)
    16进制 hex(int(x, 2)) hex(int(x, 8)) hex(int(x, 10)) -