If you want to see cool solution that beats 99% and very readable code here it is.
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 arraySign(self, nums: List[int]) -> int:\n        if 0 in nums:\n            return 0\n        nums.append(0)\n        nums.sort()\n        coma = nums.index(0)\n        if len(nums[:coma]) %2 == 0:\n            return 1\n        return -1\n        \n        \n```
['Python3']