题解 | #删除字符串中出现次数最少的字符#
删除字符串中出现次数最少的字符
https://www.nowcoder.com/practice/05182d328eb848dda7fdd5e029a56da9
import sys
s = input()
least_len = len(s)
res = ''
for c in s:
if s.count(c) <= least_len:
least_len = s.count(c)
for c in s:
if s.count(c) != least_len:
res += c
print(res)


