题解 | #提取不重复的整数#
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
a=input()[::-1]
b=""
for i in a:
if i not in b:
b+=i
print(b)
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
a=input()[::-1]
b=""
for i in a:
if i not in b:
b+=i
print(b)
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