diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..d25e68e 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,11 +37,84 @@
     "\n",
     "3. Instead of updating the inventory by subtracting 1 from the quantity of each product, only do it for  the products that were ordered (those in \"customer_orders\")."
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "680787d1",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Step 1: Define inventory and customer_orders\n",
+    "inventory = {\n",
+    "    'apple': 10,\n",
+    "    'banana': 8,\n",
+    "    'orange': 15,\n",
+    "    'grape': 5\n",
+    "}\n",
+    "customer_orders = set()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "ab9b918e",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "orange added to the order.\n",
+      "Customer orders: {'orange'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Step 2: Collect customer orders using a loop\n",
+    "while True:\n",
+    "    product = input(\"Enter the name of a product to order: \").strip().lower()\n",
+    "    if product in inventory:\n",
+    "        customer_orders.add(product)\n",
+    "        print(f\"{product} added to the order.\")\n",
+    "    else:\n",
+    "        print(\"Product not found in inventory.\")\n",
+    "    another = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n",
+    "    if another != 'yes':\n",
+    "        break\n",
+    "print(\"Customer orders:\", customer_orders)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "d9f8254a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Inventory updated: orange now has 14 left.\n",
+      "Updated inventory: {'apple': 10, 'banana': 8, 'orange': 14, 'grape': 5}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Step 3: Update inventory for ordered products only\n",
+    "for product in customer_orders:\n",
+    "    if inventory[product] > 0:\n",
+    "        inventory[product] -= 1\n",
+    "        print(f\"Inventory updated: {product} now has {inventory[product]} left.\")\n",
+    "    else:\n",
+    "        print(f\"{product} is out of stock!\")\n",
+    "print(\"Updated inventory:\", inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -55,7 +128,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,