[Python] Apply xor and sort
\n        m = len(matrix)\n        n = len(matrix[0])\n        xorl = []\n        for i in range(m):\n            for j in range(n):\n                if j > 0:\
```\n        m = len(matrix)\n        n = len(matrix[0])\n        xorl = []\n        for i in range(m):\n            for j in range(n):\n                if j > 0:\n                    matrix[i][j] ^= matrix[i][j-1]\n                if i > 0:\n                    matrix[i][j] ^= matrix[i-1][j]\n                if i > 0 and j > 0:\n                    matrix[i][j] ^= matrix[i-1][j-1]\n                xorl.append(matrix[i][j])\n        return sorted(xorl)[-k]\n```
['Python']