diff --git a/Cars.ipynb b/Cars.ipynb
index ee7554d..2ea264e 100644
--- a/Cars.ipynb
+++ b/Cars.ipynb
@@ -3,7 +3,7 @@
   {
    "cell_type": "code",
    "execution_count": 1,
-   "id": "59868c88",
+   "id": "7fada8a6",
    "metadata": {},
    "outputs": [
     {
@@ -31,7 +31,7 @@
   {
    "cell_type": "code",
    "execution_count": 2,
-   "id": "776bf1e2",
+   "id": "3d3dc9c4",
    "metadata": {},
    "outputs": [
     {
@@ -49,7 +49,7 @@
   {
    "cell_type": "code",
    "execution_count": 3,
-   "id": "a56dee9c",
+   "id": "e4e1c9c4",
    "metadata": {},
    "outputs": [
     {
@@ -75,34 +75,28 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
-   "id": "54a43eaa",
+   "execution_count": 11,
+   "id": "198bb7b6",
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "    192 high\n",
-      "    193 low\n",
-      "    192 med\n",
-      "     96 high\n",
-      "     96 low\n",
-      "     96 med\n",
-      "     96 high\n",
-      "     96 low\n",
-      "     96 med\n"
+      "  1728 car.data\r\n",
+      "   288 car.data.dev\r\n",
+      "   288 car.data.test\r\n",
+      "  1152 car.data.train\r\n",
+      "  3456 total\r\n"
      ]
     }
    ],
    "source": [
     "!head -n 288 car.data > car.data.test\n",
     "!head -n 576 car.data | tail -n 288 > car.data.dev\n",
-    "!head -n +577 car.data > car.data.train\n",
+    "!tail -n +577 car.data > car.data.train\n",
     "#sprawdzanie podziału ze względu na bezpieczeństwo samochodu\n",
-    "!cut -f 6 -d \",\" car.data.train | sort | uniq -c\n",
-    "!cut -f 6 -d \",\" car.data.test | sort | uniq -c\n",
-    "!cut -f 6 -d \",\" car.data.dev | sort | uniq -c"
+    "!wc -l car.data*"
    ]
   }
  ],