- while True:
- try:
- s= input()
- dic = {}
- res = ”
- for c in s :
- if c not in dic:
- dic[c] = 1
- else:
- dic[c] = dic[c] + 1
- Min = min(dic.values()) # dic.values() 表示获取字典dic的所有value值
- # min(dic.values()) 表示获取字典dic所有value值中的最小值
- for c in s:
- if dic[c] != Min:
- res += c
- print(res)
- except:
- break