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题解 | #找出字符串中第一个只出现一次的字符#

while True: try: s = input() target_list = [] for i in s: if s.count(i) == 1: target_list.append(i) if len(target_list) == 0: print(-1) else: print(ta...

Python3

2021-12-16

0 324

题解 | #单词倒排#

while True: try: a=input().strip() for i in range(len(a)): if not a[i].isalpha(): a=a.replace(a[i], ' ...

Python3

2021-11-02

19 3328