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 input_int = input()[::-1] output_list = list(set(input_int)) output_list.sort(key=input_int.index) output_str = "" for ol in output_list: output_str += ol print(output_str)