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
s = input()
a=30
for item in set(s):
a = min(a,s.count(item))
for item in set(s):
if(s.count(item) == a):
s = s.replace(item, '')
print(s)
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