diff --git a/lab-python-error-handling.ipynb b/lab-python-error-handling.ipynb
index 3e50ef8..810e812 100644
--- a/lab-python-error-handling.ipynb
+++ b/lab-python-error-handling.ipynb
@@ -41,18 +41,122 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "id": "cc2c441d-9dcf-4817-b097-cf6cbe440846",
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code goes here"
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "# Definimos el stock inicial.\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    print('Introduce cantidad de cada producto que tienes en el inventario')\n",
+    "    for producto in products:\n",
+    "        try:\n",
+    "            cantidad = int(input(f\"{producto}: \"))\n",
+    "            if cantidad < 0:\n",
+    "                raise ValueError(\"La cantidad no puede ser negativa.\")\n",
+    "            inventory[producto] = cantidad\n",
+    "        except ValueError as e:\n",
+    "            print(f\"Error: {e}. Por favor, introduce un número entero válido.\")\n",
+    "            return None  \n",
+    "    return inventory\n",
+    "\n",
+    "# Definimos la funcion coge los pedidos de los clientes.\n",
+    "def get_customer_orders(products,inventory):\n",
+    "    customer_orders = set()\n",
+    "    while True:\n",
+    "        try:\n",
+    "            pedido = input('Introduce el nombre del producto que quieres pedir: ')\n",
+    "            if pedido in products:\n",
+    "                if inventory[pedido] > 0:\n",
+    "                    customer_orders.add(pedido)\n",
+    "                    print(f'{pedido} añadido al pedido')\n",
+    "                else:\n",
+    "                    print(f'Perdón, no tenemos stock de {pedido}.')\n",
+    "            else:\n",
+    "                print(f'{pedido} no es un producto válido. Selecciona un producto de estos {products}')\n",
+    "        except Exception as e:\n",
+    "            print(f\"Error: {e}. Ha ocurrido un problema al procesar tu pedido.\")\n",
+    "        \n",
+    "        otro_product = input(\"¿Quieres añadir otro producto? (yes/no): \").strip().lower()\n",
+    "        if otro_product != 'yes':\n",
+    "            break\n",
+    "    return customer_orders\n",
+    "\n",
+    "# Definimos la función que actualiza el inventario\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for producto in customer_orders:\n",
+    "        if inventory[producto] > 0:\n",
+    "            inventory[producto] -= 1\n",
+    "    return inventory\n",
+    "\n",
+    "# Definimos la función que calcula las estadisticas\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_products_ordered = len(customer_orders)\n",
+    "    porcentaje = (total_products_ordered / len(products)) * 100\n",
+    "    return total_products_ordered, porcentaje\n",
+    "\n",
+    "# Definimos la función para imprimir las estadísticas\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    print('\\nOrder Statistics:')\n",
+    "    print(f'Total Products Ordered: {order_statistics[0]}')\n",
+    "    print(f'Percentage of Products Ordered: {order_statistics[1]}%')\n",
+    "\n",
+    "# Definimos la función para imprimir el inventario actualizado\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print('\\nUpdated Inventory:')\n",
+    "    for producto, cantidad in inventory.items():\n",
+    "        print(f'{producto}: {cantidad}')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "e4a54e97",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Introduce cantidad de cada producto que tienes en el inventario\n",
+      "mug añadido al pedido\n",
+      "\n",
+      "Order Statistics:\n",
+      "Total Products Ordered: 1\n",
+      "Percentage of Products Ordered: 20.0%\n",
+      "\n",
+      "Updated Inventory:\n",
+      "t-shirt: 5\n",
+      "mug: 5\n",
+      "hat: 7\n",
+      "book: 8\n",
+      "keychain: 9\n"
+     ]
+    }
+   ],
+   "source": [
+    " # Iniciamos el inventario\n",
+    "inventory = initialize_inventory(products)\n",
+    "    \n",
+    "# Obtenemos los pedidos \n",
+    "customer_orders = get_customer_orders(products, inventory)\n",
+    "    \n",
+    "# Calculamos e imprimimos las estadísticas\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(order_statistics)\n",
+    "    \n",
+    "# Actualizamos el inventari0\n",
+    "inventory = update_inventory(customer_orders, inventory)\n",
+    "print_updated_inventory(inventory)"
    ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -66,7 +170,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.8.2"
   }
  },
  "nbformat": 4,