题解 | #提取不重复的整数#
提取不重复的整数
https://www.nowcoder.com/practice/253986e66d114d378ae8de2e6c4577c1
import sys
for line in sys.stdin:
a = line.split()[0]
lists = ''
for i in range(len(a)):
if(lists.count(a[len(a)-i-1])==0):
lists += a[len(a)-i-1]
print(lists)