题解 | #字符串归一化#
字符串归一化
https://www.nowcoder.com/practice/6d5e036defdf408681376a4a9d4930ff
import sys
data=sys.stdin.readline()
data=list(data)
data.sort()
data.remove('\n')
result=""
d={}
for item in data:
if item not in d.keys():
d[item]=1
else:
d[item]=d[item]+1
for item in d.keys():
result=result+item+str(d[item])
print(result)
