diff --git a/Lab_3Functions.ipynb b/Lab_3Functions.ipynb
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+{
+  "nbformat": 4,
+  "nbformat_minor": 0,
+  "metadata": {
+    "colab": {
+      "provenance": []
+    },
+    "kernelspec": {
+      "name": "python3",
+      "display_name": "Python 3"
+    },
+    "language_info": {
+      "name": "python"
+    }
+  },
+  "cells": [
+    {
+      "cell_type": "code",
+      "execution_count": 14,
+      "metadata": {
+        "colab": {
+          "base_uri": "https://localhost:8080/"
+        },
+        "id": "JFRTYcGshY5v",
+        "outputId": "bcd53eb0-1bc5-4d47-8eab-e5c9b77d40b3"
+      },
+      "outputs": [
+        {
+          "output_type": "stream",
+          "name": "stdout",
+          "text": [
+            "What is the quanitity for t-shirt ?3\n",
+            "What is the quanitity for mug ?3\n",
+            "What is the quanitity for hat ?3\n",
+            "What is the quanitity for book ?3\n",
+            "What is the quanitity for keychain ?3\n",
+            "What do you want to order? bot\n",
+            "Do you want to order anything else? yes\n",
+            "What do you want to order? book\n",
+            "Do you want to order anything else? yes\n",
+            "What do you want to order? hat\n",
+            "Do you want to order anything else? yes\n",
+            "What do you want to order? hat\n",
+            "Do you want to order anything else? no\n",
+            "Okay, that is it \n",
+            "....Order Stats....\n",
+            "Total products ordered.... 3\n",
+            "Percentage of products ordered.... 60.0\n",
+            "New updated inventory....\n",
+            "\n",
+            "t-shirt : 3\n",
+            "mug : 3\n",
+            "hat : 2\n",
+            "book : 2\n",
+            "keychain : 3\n"
+          ]
+        }
+      ],
+      "source": [
+        "#0 Products list from first two labs\n",
+        "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+        "\n",
+        "\n",
+        "#1 Define function\n",
+        "def initialize_inventory(products):\n",
+        "  inventory = {}\n",
+        "  for i in products:\n",
+        "    quantity = int(input(f\"What is the quanitity for {i} ?\"))\n",
+        "    inventory[i] = quantity\n",
+        "  return inventory\n",
+        "\n",
+        "\n",
+        "#2 Define function\n",
+        "def get_customer_orders():\n",
+        "  customer_orders = set()\n",
+        "  while True:\n",
+        "    product = input(\"What do you want to order? \")\n",
+        "    customer_orders.add(product)\n",
+        "    another_order = input(\"Do you want to order anything else? \").lower()\n",
+        "    if another_order != 'yes':\n",
+        "      print('Okay, that is it ')\n",
+        "      break\n",
+        "  return customer_orders\n",
+        "\n",
+        "#3 Define function\n",
+        "def update_inventory(customer_orders, inventory):\n",
+        "  for i in customer_orders:\n",
+        "    if i in inventory:\n",
+        "      inventory[i] -= 1\n",
+        "\n",
+        "\n",
+        "#4 Define function\n",
+        "def calculate_order_statistics(customer_orders, products):\n",
+        "    total_products_ordered = len(customer_orders)\n",
+        "    percentage_ordered = (total_products_ordered / len(products)) * 100\n",
+        "    return total_products_ordered, percentage_ordered\n",
+        "\n",
+        "#5 Define function\n",
+        "def print_order_statistics(order_statistics):\n",
+        "    total, percentage = order_statistics\n",
+        "    print(\"....Order Stats....\")\n",
+        "    print(\"Total products ordered....\", total)\n",
+        "    print(\"Percentage of products ordered....\", percentage)\n",
+        "\n",
+        "#6 Define function\n",
+        "def print_updated_inventory(inventory):\n",
+        "  print(\"New updated inventory....\")\n",
+        "  print()\n",
+        "  for product, quantity in inventory.items():\n",
+        "    print(product, \":\", quantity)\n",
+        "\n",
+        "#7 Calling functions\n",
+        "inventory = initialize_inventory(products)\n",
+        "customer_orders = get_customer_orders()\n",
+        "update_inventory(customer_orders, inventory)\n",
+        "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+        "print_order_statistics(order_statistics)\n",
+        "print_updated_inventory(inventory)"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "source": [],
+      "metadata": {
+        "id": "kYRQrDtQm4Gt"
+      },
+      "execution_count": null,
+      "outputs": []
+    }
+  ]
+}
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