diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..8532bdf 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,11 +37,116 @@
     "\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": "5216e4e4",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "Products Ordered: {'book', 'mug', 'hat'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "customer_orders = set()\n",
+    "\n",
+    "while True:\n",
+    "\n",
+    "    item = input(\"Enter the name of a product to order: \").strip().lower()\n",
+    "    if item in products:\n",
+    "        customer_orders.add(item)\n",
+    "    else:\n",
+    "        print(\"Invalid product. Choose from:\", products)\n",
+    "        continue \n",
+    "    \n",
+    "    another = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n",
+    "    if another != (\"yes\"):\n",
+    "        break\n",
+    "\n",
+    "print(\"\\nProducts_Ordered:\", customer_orders) "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "id": "d8038d30",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Invalid product. Choose from: ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n",
+      "\n",
+      "Products Ordered: {'book', 'mug', 'hat'}\n",
+      "Updated Inventory:\n",
+      "t-shirt: 21\n",
+      "mug: 33\n",
+      "hat: 45\n",
+      "book: 33\n",
+      "keychain: 54\n",
+      "\n",
+      "Products Ordered: {'book', 'mug', 'hat'}\n",
+      "Updated Inventory:\n",
+      "t-shirt: 21\n",
+      "mug: 32\n",
+      "hat: 45\n",
+      "book: 33\n",
+      "keychain: 54\n",
+      "\n",
+      "Products Ordered: {'book', 'mug', 'hat'}\n",
+      "Updated Inventory:\n",
+      "t-shirt: 21\n",
+      "mug: 32\n",
+      "hat: 44\n",
+      "book: 33\n",
+      "keychain: 54\n"
+     ]
+    }
+   ],
+   "source": [
+    "\n",
+    "Products_Ordered: {'book', 'mug', 'hat'}\n",
+    "inventory={'t-shirt': 21, 'mug': 33, 'hat': 45, 'book': 34, 'keychain': 54}\n",
+    "while True:\n",
+    "    item = input(\"Enter the name of a product to order: \").strip().lower()\n",
+    "    if item in products:\n",
+    "        customer_orders.add(item)\n",
+    "        another = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n",
+    "        if another != \"yes\":\n",
+    "            break\n",
+    "    else:\n",
+    "        print(\"Invalid product. Choose from:\", products)\n",
+    "        for item in customer_orders:\n",
+    "    \n",
+    "            if inventory.get(item, 0) > 0:\n",
+    "                inventory[item] -= 1\n",
+    "\n",
+    "                print(\"\\nProducts Ordered:\", customer_orders)\n",
+    "            print(\"Updated Inventory:\")\n",
+    "            for p, qty in inventory.items():\n",
+    "                print(f\"{p}: {qty}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "e2272ca0",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -55,7 +160,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,