diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..09208e1 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,11 +37,62 @@
     "\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": "e13eaab3",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 10, 'mug': 10, 'hat': 10, 'book': 10, 'keychain': 10}\n",
+      "<class 'set'>\n",
+      "customer_orders are {'mug', 'hat'}\n",
+      "el inventario despues de quitar esos objetos queda {'t-shirt': 10, 'mug': 9, 'hat': 9, 'book': 10, 'keychain': 10}\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = {}\n",
+    "\n",
+    "\"\"\" Le añado cantidades \"\"\"\n",
+    "for x in products:\n",
+    "    cantidad = int(input(f\"Quantity of {x}\" ))\n",
+    "    inventory[x] = cantidad\n",
+    "print(inventory)\n",
+    "\n",
+    "\"\"\" Creo las ordenes que voy a pedir hasta que me digan si o no\"\"\"\n",
+    "customer_orders = set()\n",
+    "print(type(customer_orders))\n",
+    "\n",
+    "another_product = \"yes\"\n",
+    "\n",
+    "while another_product == 'yes':\n",
+    "    customer_orders.add (input(\"Escoge un producto para añadir\"))\n",
+    "    another_product = input(\"Do you want to add another product (yes/no)\").strip.lower()\n",
+    "\n",
+    "\"\"\" Imprimo las ordenes de cliente que van a pedir \"\"\"\n",
+    "print(f\"customer_orders are {customer_orders}\")\n",
+    "\n",
+    "\"\"\" Resto 1 cantidad solo a esas  ordenes en el inventario\"\"\" # como es set solo me resta una de esas\n",
+    "\n",
+    "for product in customer_orders:\n",
+    "    if product in inventory:\n",
+    "        inventory[product] -=1\n",
+    "\n",
+    "\"\"\" Copruebo como ha cambiado el inventario\n",
+    "\"\"\"\n",
+    "print(f\"el inventario despues de quitar esos objetos queda {inventory}\")"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -55,7 +106,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.2"
   }
  },
  "nbformat": 4,