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     "end_time": "2025-03-12T14:46:19.236991Z",
     "start_time": "2025-03-12T14:46:19.232966Z"
    }
   },
   "source": [
    "import numpy as np\n",
    "keypad_matrix = np.array([[1, 2, 3],\n",
    "                          [4, 5, 6],\n",
    "                          [7, 8, 9]])"
   ],
   "outputs": [],
   "execution_count": 5
  },
  {
   "metadata": {
    "ExecuteTime": {
     "end_time": "2025-03-12T14:46:19.249251Z",
     "start_time": "2025-03-12T14:46:19.244635Z"
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   "cell_type": "code",
   "source": [
    "rng = np.random.default_rng()\n",
    "\n",
    "# Step 1: Get the matrix\n",
    "keypad_view = keypad_matrix.copy()  # Using copy to simulate self.keypad_matrix()\n",
    "print(\"Original keypad_view:\")\n",
    "print(keypad_view)\n",
    "# Output:\n",
    "# [[1 2 3]\n",
    "#  [4 5 6]\n",
    "#  [7 8 9]]\n",
    "\n",
    "# Step 2: Shuffle rows in place\n",
    "rng.shuffle(keypad_view, axis=0)\n",
    "print(\"After rng.shuffle(keypad_view, axis=0):\")\n",
    "print(keypad_view)\n",
    "# Output (rows shuffled):\n",
    "# [[7 8 9]\n",
    "#  [1 2 3]\n",
    "#  [4 5 6]]\n",
    "\n",
    "# Step 3: Transpose\n",
    "set_view = keypad_view.T\n",
    "print(\"After set_view = keypad_view.T:\")\n",
    "print(set_view)\n",
    "# Output (rows become columns):\n",
    "# [[7 1 4]\n",
    "#  [8 2 5]\n",
    "#  [9 3 6]]\n",
    "\n",
    "# Step 4: Shuffle each row independently\n",
    "set_view = rng.permutation(set_view, axis=1)\n",
    "print(\"After rng.permutation(set_view, axis=1):\")\n",
    "print(set_view)\n",
    "# Output (each row shuffled independently):\n",
    "# [[4 1 7]\n",
    "#  [5 8 2]\n",
    "#  [3 6 9]]"
   ],
   "id": "c7db73ce336d9f0a",
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Original keypad_view:\n",
      "[[1 2 3]\n",
      " [4 5 6]\n",
      " [7 8 9]]\n",
      "After rng.shuffle(keypad_view, axis=0):\n",
      "[[7 8 9]\n",
      " [1 2 3]\n",
      " [4 5 6]]\n",
      "After set_view = keypad_view.T:\n",
      "[[7 1 4]\n",
      " [8 2 5]\n",
      " [9 3 6]]\n",
      "After rng.permutation(set_view, axis=1):\n",
      "[[4 7 1]\n",
      " [5 8 2]\n",
      " [6 9 3]]\n"
     ]
    }
   ],
   "execution_count": 6
  }
 ],
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