Python-八进制、二进制互转换

Python-八进制转二进制

input_str = input('请输入待转八进制数：')

list_num = []
list_octal = []
lists = []

t = 0


def octal_binary():
    """用于八进制转二进制"""
    for i in input_str:
        list_num.append(i)
    # print(list_num)

    list_deal = [int(k) for k in list_num]
    # print(list_deal)
    list_num.clear()

    for j in list_deal:
        while True:
            if j != 1:
                n = str(j % 2)
                list_octal.append(n)
                j //= 2
            elif j == 1:
                list_octal.append('1')
                list_octal.reverse()
                if len(list_octal) % 3 == 0:
                    pass
                elif len(list_octal) % 3 == 1:
                    list_octal.insert(0, '0')
                    list_octal.insert(1, '0')
                elif len(list_octal) % 3 == 2:
                    list_octal.insert(0, '0')
                lists.extend(list_octal)
                list_octal.clear()
                break

    list_octal.reverse()

    num_str = int(''.join(lists))
    print("该八进制数转化为二进制数为：%d" % num_str)

Python-二进制转八进制

input_str = input('请输入待转二进制数：')
initial_list = []
once_deal_list = []
second_deal_list = []
l_int = len(input_str)
y = 0
r = 2
k = 0


def cut_str():
    """字符串切片"""
    i = 0
    while i < l_int:
        once_deal_list.append(initial_list[i:(i + 3)])
        i += 3


def repair_str():
    """不足3位进行补零"""
    for t in input_str:
        initial_list.append(int(t))

    if input_str.isdecimal():
        print('数字验证通过')
        if l_int % 3 == 0:
            cut_str()
        elif l_int % 3 == 2:
            initial_list.insert(0, 0)
            cut_str()
        else:
            initial_list.insert(0, 0)
            initial_list.insert(1, 0)
            cut_str()
    else:
        print('验证失败请重新输入')
        return


def octonary():
    """转换为八进制"""
    repair_str()
    global k
    global r
    for g in once_deal_list:
        for j in g:
            k += int(j) * 2 ** r
            r -= 1
        second_deal_list.append(k)
        r = 2
        k = 0
    # print('转换成的八进制数为:', end='')
    # for n in second_deal_list:
    #     print(n, end='')
    # print
    end_list = [str(h) for h in second_deal_list]
    end_num = int(''.join(end_list))
    print('转换成的八进制数为：%d' % end_num)


octonary()

本文地址：https://blog.csdn.net/YIGAOYU/article/details/110226748