Beats 100% Speed easy Python solution
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nclass Solution:\n    def findTheArrayConcVal(self, nums: List[int]) -> int:\n        summary = 0\n        a = nums.copy()\n        for i in nums[:len(a) // 2]:\n            summary += int(str(i) + str(nums[-1]))\n            nums.pop(-1)\n        return summary if len(a)%2 == 0 else summary + nums[-1]            \n        \n```
['Python3']