python 建立函數，輸入二進制數字，輸出二進制字符串

# -*- coding: utf-8 -*- """ Created on Fri Aug 17 10:44:58 2018@author: A3 """import numpy as npclass digit_conversion():def __init__(self):pass def digit_2to10(self,data):'''十進制輸入，二進制輸出'''data_con = []for i in range(len(data)):data_i = int(data[i]) * (2 ** (len(data) - i - 1))data_con.append(data_i) return sum(data_con) def digit_10to2(self,data):'''二進制輸入，十進制輸出'''data_con = []while data >= 1:p = 1 if data % 2 > 0 else 0 data_con.append(str(p))data = int(data / 2)return ''.join(data_con[::-1]) #或者用reversedef derect_2to2_1(self,data1,data2):'''第一種方法，二進制輸入，二進制輸出'''n1,n2 = list(data1[::-1]),list(data2[::-1])if len(data1) > len(data2):for i in range(1,(len(data1) - len(data2) + 1)):n2.append('0')elif len(data1) < len(data2):for i in range(1,(len(data2) - len(data1) + 1)):n1.append('0') data1,data2 = ''.join(n1),''.join(n2)data_con = []n = 0for i in range(len(data1)):data_i = 0 if (int(data1[i]) + int(data2[i]) + n) == 0 or (int(data1[i]) + int(data2[i]) + n) == 2 else 1n = 1 if (int(data1[i]) + int(data2[i]) + n)> 1 else 0data_con.append(str(data_i))return ''.join(data_con[::-1])def derect_2to2_2(self,data1,data2):'''第二種方法，二進制輸入，二進制輸出'''num = list(str(int(data1) + int(data2)))[::-1]q = 0box = []for i in range(len(num)):p = int(num[i])p = 0 if p + q == 0 or p + q == 2 else 1q = 1 if int(num[i]) + q > 1 else 0box.append(str(p))box = ''.join(box) + '1' if q == 1 else ''.join(box) return box[::-1] if __name__ == "__main__":dc = digit_conversion()result = dc.derect_2to2_2(input('please input a num:\n'),input('please input another num:\n'))print('sum is: %s' % result)

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