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
import sys
for line in sys.stdin:
a = list(line.rstrip())
outword=""
uniq= set(a)
dict1={}
for i in uniq:
dict1[i]=a.count(i)
for i in a:
if dict1[i] == sorted(dict1.values(),key=int)[0]:
pass
else:
outword+=i
print(outword)
set和dict都是无序的。
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