2026-02-03 11:06:32 +0000 UTC

Reverse Letters Then Special Characters in a String
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Code

class Solution:
    def reverseByType(self, s: str) -> str:
        alpha, spec, res = [], [], []
        for char in s:
            if char.isalpha():
                alpha.append(char)
            else:
                spec.append(char)
        for char in s:
            if char.isalpha():
                res.append(alpha.pop())
            else:
                res.append(spec.pop())
        return "".join(res)