num = input("请输入一个整数:") count = {} for i in num: if i in count: count[i] += 1 else: count[i] = 1 print("出现次数:", count)

reverse_num = num[::-1] difference = int(reverse_num) - int(num) print("差值:{}-{}={}".format(reverse_num, num, difference))

4通过用户给定一个整数利用字典求整数中各个数字出现的次数并求该字的逆序与原始数据的差值。整数:433675出现次数:t4:13:26:1‘715:1差值:576334- 433675 = 142659

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