diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..dc573f6 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,129 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "893f4306",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "Estadísticas del pedido:\n",
+      "Total de productos únicos pedidos: 4\n",
+      "Porcentaje de productos únicos pedidos: 80.00%\n",
+      "\n",
+      "Inventario actualizado:\n",
+      "book: 10\n",
+      "hat: 9\n",
+      "keychain: 9\n",
+      "mug: 9\n",
+      "t-shirt: 9\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Lista de productos disponibles\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "\n",
+    "# Función auxiliar para pedir un número entero válido\n",
+    "def get_valid_number(message):\n",
+    "    while True:\n",
+    "        try:\n",
+    "            value = int(input(message))\n",
+    "            return value\n",
+    "        except ValueError:\n",
+    "            print(\"Entrada no válida. Por favor, introduce un número entero.\")\n",
+    "\n",
+    "\n",
+    "# 1. Inicializar inventario\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "\n",
+    "    for product in products:\n",
+    "        message = f\"Introduce la cantidad disponible de {product}: \"\n",
+    "        quantity = get_valid_number(message)\n",
+    "        inventory[product] = quantity\n",
+    "\n",
+    "    return inventory\n",
+    "\n",
+    "\n",
+    "# 2. Obtener pedidos del cliente\n",
+    "def get_customer_orders(products):\n",
+    "    customer_orders = set()\n",
+    "\n",
+    "    num_orders = get_valid_number(\"¿Cuántos productos distintos quiere pedir el cliente? \")\n",
+    "\n",
+    "    while len(customer_orders) < num_orders:\n",
+    "        product = input(\"Introduce el nombre de un producto: \").strip()\n",
+    "\n",
+    "        if product in products:\n",
+    "            customer_orders.add(product)\n",
+    "        else:\n",
+    "            print(\"Ese producto no está disponible. Inténtalo de nuevo.\")\n",
+    "\n",
+    "    return customer_orders\n",
+    "\n",
+    "\n",
+    "# 3. Actualizar inventario\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    updated_inventory = inventory.copy()\n",
+    "\n",
+    "    for product in customer_orders:\n",
+    "        if product in updated_inventory and updated_inventory[product] > 0:\n",
+    "            updated_inventory[product] -= 1\n",
+    "\n",
+    "    return updated_inventory\n",
+    "\n",
+    "\n",
+    "# 4. Calcular estadísticas del pedido\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_unique_products_ordered = len(customer_orders)\n",
+    "    total_available_products = len(products)\n",
+    "\n",
+    "    if total_available_products == 0:\n",
+    "        percentage_ordered = 0\n",
+    "    else:\n",
+    "        percentage_ordered = (total_unique_products_ordered / total_available_products) * 100\n",
+    "\n",
+    "    return total_unique_products_ordered, percentage_ordered\n",
+    "\n",
+    "\n",
+    "# 5. Imprimir estadísticas del pedido\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    total_unique_products_ordered, percentage_ordered = order_statistics\n",
+    "\n",
+    "    print(\"\\nEstadísticas del pedido:\")\n",
+    "    print(f\"Total de productos únicos pedidos: {total_unique_products_ordered}\")\n",
+    "    print(f\"Porcentaje de productos únicos pedidos: {percentage_ordered:.2f}%\")\n",
+    "\n",
+    "\n",
+    "# 6. Imprimir inventario actualizado\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print(\"\\nInventario actualizado:\")\n",
+    "\n",
+    "    for product, quantity in sorted(inventory.items()):\n",
+    "        print(f\"{product}: {quantity}\")\n",
+    "\n",
+    "\n",
+    "# 7. Ejecutar programa\n",
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_orders(products)\n",
+    "inventory = update_inventory(customer_orders, inventory)\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(order_statistics)\n",
+    "print_updated_inventory(inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +179,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.4"
   }
  },
  "nbformat": 4,