diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..476d923 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,13 +43,82 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "966c17a0-8543-41ff-b326-16375b7820cb",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    print(\"Inventory:\")\n",
+    "    for product in products:\n",
+    "        qty = int(input(f\"Enter # of {product}: \"))\n",
+    "        inventory[product] = qty\n",
+    "    return inventory\n",
+    "\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    print(\"Customer order:\")\n",
+    "    print(\"Available products:\", products)\n",
+    "    add_another = \"yes\"\n",
+    "    while add_another == \"yes\":\n",
+    "        name = input(\"Enter product order: \").strip().lower()\n",
+    "        if name in products:\n",
+    "            customer_orders.add(name)\n",
+    "            print(f\"Added: {name}\")\n",
+    "        else:\n",
+    "            print(\"That product is not available. Please choose from the list.\")\n",
+    "        add_another = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n",
+    "    return customer_orders\n",
+    "\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in products:\n",
+    "        if product in customer_orders:\n",
+    "            inventory[product] -= 1\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",
+    "\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    total_ordered, percentage = order_statistics\n",
+    "    print(\"Order Statistics:\")\n",
+    "    print(\"Total Products Ordered:\", total_ordered)\n",
+    "    print(\"Percentage of Unique Products Ordered:\", percentage, \"%\")\n",
+    "\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print(\"Updated inventory after the order:\")\n",
+    "    for product, quantity in inventory.items():\n",
+    "        print(f\"{product}: {quantity}\")\n",
+    "\n",
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_orders()\n",
+    "update_inventory(customer_orders, inventory)\n",
+    "stats = calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(stats)\n",
+    "print_updated_inventory(inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "562ea1d0-aa35-4fc0-bf8b-02352e72b413",
+   "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 +130,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,