Easy Python solution ||runtime 96.19%
\n\n# Code\n\nclass Solution(object):\n    def findTheArrayConcVal(self, nums):\n        """\n        :type nums: List[int]\n        :rtype: int\n        """\n 
![image.png](https://assets.leetcode.com/users/images/86de6f78-6d3d-4051-b644-3fed3fc8f8a3_1679061085.8510282.png)\n\n# Code\n```\nclass Solution(object):\n    def findTheArrayConcVal(self, nums):\n        """\n        :type nums: List[int]\n        :rtype: int\n        """\n        sm=0\n        i=0\n        j=len(nums)-1\n        if len(nums)%2!=0:sm+=nums[(i+j)//2]\n        while i<j:\n            sm+=int(str(nums[i])+str(nums[j]))\n            i+=1\n            j-=1\n        return sm\n\n        \n```
['Array', 'Two Pointers', 'Simulation', 'Python']