def findPath(nums): if not nums:return 0 if len(nums)==1:return nums[0] if len(nums)==2:return max(nums) if len(nums)==3:return sum(nums) n=len(nums) stage1=nums[0]+nums[1]+nums[-1]+nums[1] stage2=nums[0]+nums[-1]+nums[0]+nums[-2] return min(stage1,stage2)+findPath(nu...