题解 | #提取不重复的整数#python3逆序重复判断
提取不重复的整数
http://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
ss = input()
re = []
for i in range(len(ss)-1,-1,-1):
if ss[i] not in re:
re.append(ss[i])
else:
continue
for i in re:
print(i,end= '')
