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class Solution:
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    def makeEqual(self, words: List[str]) -> bool:
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        map_ = {}
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        for word in words:
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            for i in word:
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                if i not in map_:
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                    map_[i] = 1
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                else:
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                    map_[i] += 1
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        n = len(words)
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        for k, v in map_.items():
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            if (v % n) != 0:
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                return False
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        return True