题解 | #字符统计#
字符统计
https://www.nowcoder.com/practice/c1f9561de1e240099bdb904765da9ad0
import collections
s = input()
cou = collections.Counter(s)
y = sorted(cou.keys(), key=lambda x: (-cou[x], ord(x)))
print(''.join(y))
字符统计
https://www.nowcoder.com/practice/c1f9561de1e240099bdb904765da9ad0
import collections
s = input()
cou = collections.Counter(s)
y = sorted(cou.keys(), key=lambda x: (-cou[x], ord(x)))
print(''.join(y))
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