题解 | #提取不重复的整数#
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
while True:
try:
string = input()
lista = []
for i in string[::-1]:
if i not in lista:
lista.append(i)
for i in lista:
print(i,end='')
except:
break
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