题解 | #删除字符串中出现次数最少的字符#

input = input()
# 统计每个字符的出现次数
input = [{'char':item,'num':input.count(item)} for item in input]
mincount = len(input)
# 找到次数最小的
for item in input:
    if item['num'] < mincount:
        mincount = item['num']
# 输出时跳过最小的
for item in input:
    if item['num'] != mincount:
        print(item['char'],end='')