diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..283050f 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,11 +37,55 @@
     "\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": 1,
+   "id": "072c86a9",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt'}\n",
+      "{'t-shirt': 9, 'mug': 20, 'hat': 30, 'book': 40, 'keychain': 50}\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = {}\n",
+    "\n",
+    "for product in products:\n",
+    "    inventory[product] = int(input(f\"Stock de {product}: \"))\n",
+    "\n",
+    "customer_orders = set()\n",
+    "\n",
+    "while True:\n",
+    "    product = input(\"Producto que quiere el cliente: \").lower()\n",
+    "\n",
+    "    if product in inventory:\n",
+    "        customer_orders.add(product)\n",
+    "    else:\n",
+    "        print(\"Producto no válido.\")\n",
+    "\n",
+    "    more = input(\"¿Añadir otro? (yes/no): \").lower()\n",
+    "    if more == \"no\":\n",
+    "        break\n",
+    "\n",
+    "for product in customer_orders:\n",
+    "    if inventory[product] > 0:\n",
+    "        inventory[product] -= 1\n",
+    "\n",
+    "print(customer_orders)\n",
+    "print(inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -55,7 +99,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.4"
   }
  },
  "nbformat": 4,