题解 | #删除字符串中出现次数最少的字符#

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？