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class Solution(object):
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    def reorderLogFiles(self, logs):
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        """
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        :type logs: List[str]
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        :rtype: List[str]
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        """
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        self._seq = 0
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        def _sortBy(log):
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            a = log.split(" ")
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            logType, self._seq = (
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                ("A", self._seq) if a[1].isalpha() else ("B", self._seq + 1)
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            )
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            return (
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                (logType, " ".join(a[1:]), a[0])
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                if logType == "A"
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                else (logType, self._seq)
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            )
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        return sorted(logs, key=_sortBy)