题解 | #删除字符串中出现次数最少的字符#

def get_ans(s):
    dic={}
    for i in s:
        dic[i]=dic.get(i,0)+1
    dic1=sorted(dic.items(),key=lambda d:d[1])
    mark,ans=dic1[0][1],''
    for i in s:
        if dic[i]!=mark:
            ans+=i
    return ans

if __name__=='__main__':
    import sys
    lines = []
    while True:
        line = sys.stdin.readline().strip()
        if line == "":
            break
        lines.append(line)
    for item in lines:
        print(get_ans(item))