diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..9629d4e 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,11 +37,101 @@
     "\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": null,
+   "id": "7ab9c701",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = []\n",
+    "print(\"select quantity of available product: \")\n",
+    "for product in products:\n",
+    "    quantity = int(input(f\"{product}: \"))\n",
+    "    inventory[product] = quantity\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "433810a5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "print(inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "c8331fd0",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "customer_orders = set()\n",
+    "print(\"Select product to order: \")\n",
+    "for product in products:\n",
+    "    order = input(f\"Do you want to order {product}? (yes/no): \")\n",
+    "    if order.lower() == \"yes\":\n",
+    "        customer_orders.add(product)\n",
+    "        print(\"Order added.\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "de908393",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "print(\"Would you like to add another product)\")\n",
+    "while True:\n",
+    "    another_order = input(\"Add another product? (yes/no): \")\n",
+    "    if another_order.lower() == \"yes\":\n",
+    "        product = input(\"Enter the product name: \")\n",
+    "        if product in products:\n",
+    "            customer_orders.add(product)\n",
+    "            print(\"Order added.\")\n",
+    "        else:\n",
+    "            print(\"Product not available.\")\n",
+    "    elif another_order.lower() == \"no\":\n",
+    "        break\n",
+    "    else:\n",
+    "        print(\"Invalid input. Please enter 'yes' or 'no'.\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "3289e148",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "print(\"\\ncustomer_orders:\")\n",
+    "print(customer_orders)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f884d232",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "for product in set(customer_orders):\n",
+    "    if product in inventory and inventory[product] > 0:\n",
+    "        inventory[product] -= 1\n",
+    "        print(\"\\nUpdated Inventory:\")\n",
+    "        for item, quantity in inventory.items():\n",
+    "            print(f\"{item}: {quantity}\")"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -55,7 +145,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,