✅C++ solution using 2loops!
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> **If you\u2019re interested in coding you can join my Discord Server, link in the comment section. Also if you find any mistake please let me know. Thank you!\u2764\uFE0F**\n> \n\n---\n\n\n## Code:\n```\nclass Solution {\npublic:\n    vector<int> getConcatenation(vector<int>& nums) {\n        vector <int> ans;\n        for(int i=0; i<nums.size();i++)\n           ans.push_back(nums[i]);\n        \n        for(int i=0; i<nums.size();i++)\n           ans.push_back(nums[i]);\n        \n        return ans;\n    }\n};\n```\n---\n\n> **Please upvote this solution**\n>
['C', 'C++']