x = str(input())
mp = [0 for _ in range(26)]
for c in x:
    c = ord(c) - ord('a')
    mp[c] += 1
mi = int(999)
for i in range(26):
    if mp[i] != 0:
        mi = min(mp[i], mi)
for i in range(26):
    if mp[i] == mi:
        x = x.replace(chr(ord('a')+ i),'')
print(x)
删除最小的数值的元素

 京公网安备 11010502036488号
京公网安备 11010502036488号