一串串貌似没啥用的代码

def dec2bin(dec_num, bit_wide=8):
    """
	将十进制数转为二进制，高位补0
    :param dec_num: 被转换的数字
    :param bit_wide: 补全长度 - int
    :return:
    """
    _, bin_num_abs = bin(dec_num).split('b')
    print("bin_num_abs>>>", bin_num_abs, )

    if len(bin_num_abs) > bit_wide:
        raise ValueError
    else:
        bin_num = bin_num_abs.rjust(bit_wide, '0')

    return bin_num