One Line Code Superb Logic
\n\n# Python Solution\n\nclass Solution:\n    def getConcatenation(self, nums: List[int]) -> List[int]:\n        return nums*2\n
\n\n# Python Solution\n```\nclass Solution:\n    def getConcatenation(self, nums: List[int]) -> List[int]:\n        return nums*2\n```
['Python3']