diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..27429ec 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,13 +43,96 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 76,
+   "id": "63afd520-7b15-4433-88c8-248f4bdd43f6",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the number of your book:  2\n",
+      "Enter the number of your pen:  3\n",
+      "Enter the number of your notebook:  2\n",
+      "Enter the number of your hat:  3\n",
+      "Enter the number of your mug:  54\n",
+      "Products ordered:  book\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Total of products ordered are 1 and the percentage of products ordered are 20.00%\n",
+      "book: 1\n",
+      "pen: 3\n",
+      "notebook: 2\n",
+      "hat: 3\n",
+      "mug: 54\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = ['book', 'pen', 'notebook', 'hat', 'mug']\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    for product in products:\n",
+    "        number = int(input(f\"Enter the number of your {product}: \"))\n",
+    "        inventory[product] = number\n",
+    "    return inventory\n",
+    "\n",
+    "inventory = initialize_inventory(products)\n",
+    "\n",
+    "def get_customer_orders():\n",
+    "    add_order = input(\"Products ordered: \")\n",
+    "    customers_orders = {item.strip() for item in add_order.split(',') if item.strip()}\n",
+    "    return customers_orders\n",
+    "\n",
+    "customer_orders = get_customer_orders() \n",
+    "\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in customer_orders:\n",
+    "        if product in inventory:\n",
+    "            inventory[product] -= 1\n",
+    "    return inventory\n",
+    "inventory = update_inventory(customer_orders, inventory)\n",
+    "\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_ordered = len(customer_orders)\n",
+    "    percentage = (total_ordered / len(products)) * 100\n",
+    "    return total_ordered, percentage\n",
+    "order_stats = calculate_order_statistics(customer_orders, products)\n",
+    "\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    total_ordered, percentage = order_statistics\n",
+    "    print(f\"Total of products ordered are {total_ordered} and the percentage of products ordered are {percentage:.2f}%\")\n",
+    "print_order_statistics(order_stats)\n",
+    "\n",
+    "def print_updated_inventory(inventory):\n",
+    "    for product, quantity in inventory.items():\n",
+    "        print(f\"{product}: {quantity}\")\n",
+    "\n",
+    "print_updated_inventory(inventory)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "fe57a5fc-d187-496e-bcf4-d4e9a3146a7f",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python [conda env:base] *",
    "language": "python",
-   "name": "python3"
+   "name": "conda-base-py"
   },
   "language_info": {
    "codemirror_mode": {
@@ -61,7 +144,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,