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# Runtime: 65 ms (Top 93.8%) | Memory: 16.30 MB (Top 83.7%)
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class Solution:
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    def twoOutOfThree(
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        self, nums1: List[int], nums2: List[int], nums3: List[int]
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    ) -> List[int]:
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        output = []
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        for i in nums1:
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            if i in nums2 or i in nums3:
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                if i not in output:
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                    output.append(i)
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        for j in nums2:
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            if j in nums3 or j in nums1:
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                if j not in output:
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                    output.append(j)
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        return output