diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..5435c9a 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,88 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "id": "71dce282",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "\n",
+    "products = [\"t-shirts\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    for product in products: \n",
+    "        quantity = int(input(f\"Enter quantity for {product}: \"))\n",
+    "        inventory[product] = quantity\n",
+    "    return inventory\n",
+    "\n",
+    "def get_customer_order():\n",
+    "    customer_orders = set()\n",
+    "    order_input = input(f\"Please enter the products you want to order separated by commas: \")\n",
+    "    orders = order_input.split(\",\")\n",
+    "    for order in orders:\n",
+    "        customer_orders.add(order.strip())\n",
+    "    return 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",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_ordered = len(customer_orders)\n",
+    "    percentage_ordered = total_ordered / len(products) * 100\n",
+    "    return total_ordered, percentage_ordered\n",
+    "\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    total_ordered, percentage_ordered = order_statistics\n",
+    "    print(f\"total ordered: {total_ordered}\")\n",
+    "    print(f\"percentage ordered: {percentage_ordered: .2f}%\")\n",
+    "\n",
+    "def print_updated_inventory(inventory):\n",
+    "     for product, quantity in inventory.items():\n",
+    "          print(f\"{product}: {quantity}\")\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "id": "c916022f",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "total ordered: 1\n",
+      "percentage ordered:  20.00%\n",
+      "t-shirts: 5\n",
+      "mug: 4\n",
+      "hat: 5\n",
+      "book: 5\n",
+      "keychain: 5\n"
+     ]
+    }
+   ],
+   "source": [
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_order()\n",
+    "inventory1 = update_inventory(customer_orders, inventory)\n",
+    "order_stats = calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(order_stats)\n",
+    "print_updated_inventory(inventory)\n",
+    "\n",
+    "\n"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +138,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.2"
   }
  },
  "nbformat": 4,