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
https://www.nowcoder.com/practice/05182d328eb848dda7fdd5e029a56da9
删除出现次数最少得字符，解题思路：
1.将字符串中的字符及字符出现的个数放在字典中存储
2.取出字典中最小值
3.遍历字符串，找到最小值的字符并将该字符替换掉
4.打印该字符串
while True:
try:
d={}
n=input()
for i in n:
if i in d:
d[i]+=1
else:
d[i]=1
a=min(d.values())
for i in n:
if d[i]==a:
n=n.replace(i,'')
print(n)
except:
break
