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
http://www.nowcoder.com/practice/05182d328eb848dda7fdd5e029a56da9
s = input()
c = set(s)
k = 20
for i in c:
if s.count(i) <= k:
k = s.count(i)
for i in c:
if s.count(i) == k:
s = s.replace(i,"")
print(s)
有没有其他方法呢？
