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
dic = {} # key：字符 value：出现次数
s = input()
for i in s:
if i not in dic.keys():
dic[i] = 1
dic[i] += 1
min_n = min(dic.values()) # 最小出现次数
for i in s: # 遍历删除所有次数最小的字符
if dic[i] == min_n:
s = s.replace(i, '') # replace()函数可以替换字符串中所有的指定字符，我们直接用空字符替换，即删除
print(s)
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