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    {
     "name": "stdout",
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     "text": [
      "[[-10, 2, 8], [-7, -3, 10]]\n"
     ]
    }
   ],
   "source": [
    "# Write a Python program to find the three elements that sum to zero from a set (array) of n real numbers.\n",
    "# Input\n",
    "# [-25, -10, -7, -3, 2, 4, 8, 10]\n",
    "# Output\n",
    "# [[-10, 2, 8], [-7, -3, 10]]\n",
    "\n",
    "class py_solution:\n",
    " def threeSum(self, nums):\n",
    "        nums, result, i = sorted(nums), [], 0\n",
    "        while i < len(nums) - 2:\n",
    "            j, k = i + 1, len(nums) - 1\n",
    "            while j < k:\n",
    "                if nums[i] + nums[j] + nums[k] < 0:\n",
    "                    j += 1\n",
    "                elif nums[i] + nums[j] + nums[k] > 0:\n",
    "                    k -= 1\n",
    "                else:\n",
    "                    result.append([nums[i], nums[j], nums[k]])\n",
    "                    j, k = j + 1, k - 1\n",
    "                    while j < k and nums[j] == nums[j - 1]:\n",
    "                        j += 1\n",
    "                    while j < k and nums[k] == nums[k + 1]:\n",
    "                        k -= 1\n",
    "            i += 1\n",
    "            while i < len(nums) - 2 and nums[i] == nums[i - 1]:\n",
    "                i += 1\n",
    "        return result\n",
    "\n",
    "print(py_solution().threeSum([-25, -10, -7, -3, 2, 4, 8, 10]))"
   ]
  }
 ],
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