-- coding: UTF-8 -- a=[] n = int(input()) length = len(str(n)) for i in range(0,length ):#for 从0开始 a.append(n%10) n=int(n/10) for i in range(0,length): for j in range(i+1,length): if a[j] == a[i]: a[j]=[] a = int(str(a).replace("[","").replace("]","").replace(",","").replace(" ", "")) print(a)
