diff --git a/simple_NN.ipynb b/simple_NN.ipynb
new file mode 100644
index 00000000..2a89e1ed
--- /dev/null
+++ b/simple_NN.ipynb
@@ -0,0 +1,79 @@
+{
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "colab": {
+      "name": "simple NN",
+      "provenance": [],
+      "collapsed_sections": [],
+      "authorship_tag": "ABX9TyNKzzJI+Qb9GuWmk3iinOV1",
+      "include_colab_link": true
+    },
+    "kernelspec": {
+      "name": "python3",
+      "display_name": "Python 3"
+    },
+    "language_info": {
+      "name": "python"
+    }
+  },
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "metadata": {
+        "id": "view-in-github",
+        "colab_type": "text"
+      },
+      "source": [
+        "<a href=\"https://colab.research.google.com/github/samaa/Deep-learning-with-Python/blob/master/simple_NN.ipynb/" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg/" alt=\"Open In Colab\"/></a>"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {
+        "id": "zmnOtU9x5fQw"
+      },
+      "outputs": [],
+      "source": [
+        "import tensorflow as tf\n",
+        "import numpy as np\n",
+        "from tensorflow import keras"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "model = tf.keras.Sequential()\n",
+        "model.add(keras.layers.Dense(units=4, input_shape=(4,)))\n"
+      ],
+      "metadata": {
+        "id": "N-sj4ar95imQ"
+      },
+      "execution_count": 2,
+      "outputs": []
+    },
+    {
+      "cell_type": "markdown",
+      "source": [
+        ""
+      ],
+      "metadata": {
+        "id": "NVB81Hw4rohI"
+      }
+    },
+    {
+      "cell_type": "code",
+      "source": [
+        "xs = np.array([, 2.0, 3.0, 4.0], dtype=float)\n",
+        "\n",
+        "ys = np.array([-2.0, 1.0, 4.0, 7.0, 10.0, 13.0], dtype=float)"
+      ],
+      "metadata": {
+        "id": "hEyDjZ-oqqmq"
+      },
+      "execution_count": null,
+      "outputs": []
+    }
+  ]
+}
\ No newline at end of file