diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..d2e9759 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,91 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "4482555e",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# .1 Initialize inventory from product list and user input\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    for product in products:\n",
+    "        qty = int(input(f\"Enter quantity for {product}: \"))\n",
+    "        inventory[product] = qty\n",
+    "    return inventory\n",
+    "\n",
+    "# .2 Collect customer orders in a loop\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    while True:\n",
+    "        product = input(\"Enter the name of a product to order: \").strip().lower()\n",
+    "        customer_orders.add(product)\n",
+    "        another = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n",
+    "        if another != 'yes':\n",
+    "            break\n",
+    "    return customer_orders\n",
+    "\n",
+    "# .3 Update inventory based on orders\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in customer_orders:\n",
+    "        if product in inventory and inventory[product] > 0:\n",
+    "            inventory[product] -= 1\n",
+    "        elif product in inventory:\n",
+    "            print(f\"{product} is out of stock!\")\n",
+    "        else:\n",
+    "            print(f\"{product} not found in inventory.\")\n",
+    "\n",
+    "# .4 Calculate order statistics (total, percentage)\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_ordered = len(customer_orders)\n",
+    "    percent_unique = (total_ordered / len(products)) * 100 if products else 0\n",
+    "    return total_ordered, percent_unique\n",
+    "\n",
+    "# .5 Print order statistics\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    total_ordered, percent_unique = order_statistics\n",
+    "    print(f\"Total unique products ordered: {total_ordered}\")\n",
+    "    print(f\"Percentage of unique products ordered: {percent_unique:.2f}%\")\n",
+    "\n",
+    "# .6 Print updated inventory\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print(\"Updated inventory:\")\n",
+    "    for product, qty in inventory.items():\n",
+    "        print(f\"{product}: {qty}\")\n",
+    "\n",
+    "# .7 Run all functions in sequence\n",
+    "products = ['apple', 'banana', 'orange', 'grape']\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)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "8eceb80d",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'apple': 21, 'banana': 20, 'orange': 2, 'grape': 3}\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +141,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,