题解 | #删除字符串中出现次数最少的字符#

if __name__=="__main__":
    string=input()
    map_={}
    for char in string:
        map_[char]=map_.get(char,0)+1
    minCount=min(map_.values())
    minKeys=[item[0] for item in map_.items() if item[1]==minCount]
    newString=""
    for char in string:
        if char not in minKeys:
            newString+=char
    print(newString)