题解 | #字符统计#
import sys
for line in sys.stdin:
data=line[:-1]
counter={}
for c in data:
if c not in counter:
counter[c]=1
else:
counter[c]+=1
temp=list(counter.items())
result=sorted(temp, key=lambda x : (x[1], -ord(x[0])), reverse=True)
str_result=[]
for c, _ in result:
str_result.append(c)
print(''.join(str_result))
改成项目亮点观感会更好