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
n = input()
dic = {}
for i in n:
if i not in dic:
dic[i] = 1
else:
dic[i] += 1
min_val = min(dic.values())
rm_str = [key for key,val in dic.items() if val == min_val]
for k in rm_str:
if k in n:
n = n.replace(k,"")
print(n)
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