diff --git a/lab-python-error-handling.ipynb b/lab-python-error-handling.ipynb
index 3e50ef8..e151cac 100644
--- a/lab-python-error-handling.ipynb
+++ b/lab-python-error-handling.ipynb
@@ -46,7 +46,128 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code goes here"
+    "# your code goes here\n",
+    "inventory = {}\n",
+    "\n",
+    "def initialize_inventory(products, inventory):\n",
+    "    \"\"\"Initialize inventory by asking user input for each product.\"\"\"\n",
+    "    try:\n",
+    "        for product in products:\n",
+    "            response = input(f\"Añado '{product}' al inventario (si/no)? \").strip().lower()\n",
+    "            if response == \"si\":\n",
+    "                inventory[product] = 0\n",
+    "            elif response == \"no\":\n",
+    "                continue\n",
+    "            else:\n",
+    "                raise ValueError(\"Respuesta inválida. Por favor, responde 'si' o 'no'.\")\n",
+    "    except ValueError as e:\n",
+    "        print(f\"Error: {e}\")\n",
+    "    finally:\n",
+    "        return inventory\n",
+    "\n",
+    "products = [\"sandals\", \"shoes\", \"glasses\", \"chandal\", \"sneakers\"]\n",
+    "inventory = initialize_inventory(products, inventory)\n",
+    "\n",
+    "print(\"\\nInventario:\")\n",
+    "for product in inventory:\n",
+    "    print(product)\n",
+    "\n",
+    "def get_customer_orders():\n",
+    "    \"\"\"Prompt user to input customer orders.\"\"\"\n",
+    "    customer_orders = set()\n",
+    "    try:\n",
+    "        while True:\n",
+    "            product_name = input(\"Introduce el nombre del producto: \").strip()\n",
+    "            if product_name == \"\":\n",
+    "                break\n",
+    "            customer_orders.add(product_name)\n",
+    "    except Exception as e:\n",
+    "        print(f\"Error al recibir pedidos del cliente: {e}\")\n",
+    "    else:\n",
+    "        print(\"Pedidos del cliente registrados correctamente.\")\n",
+    "    finally:\n",
+    "        return customer_orders\n",
+    "\n",
+    "customer_orders = get_customer_orders()\n",
+    "print(\"Pedidos del cliente:\", customer_orders)\n",
+    "\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    \"\"\"Update the inventory based on customer orders.\"\"\"\n",
+    "    try:\n",
+    "        for order in customer_orders:\n",
+    "            if order in inventory:\n",
+    "                print(f\"El producto '{order}' ya está en el inventario.\")\n",
+    "            else:\n",
+    "                inventory[order] = 0\n",
+    "    except Exception as e:\n",
+    "        print(f\"Error al actualizar el inventario: {e}\")\n",
+    "    finally:\n",
+    "        return inventory\n",
+    "\n",
+    "updated_inventory = update_inventory(customer_orders, inventory)\n",
+    "print(\"Inventario actualizado:\", updated_inventory)\n",
+    "\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    \"\"\"Calculate statistics about customer orders.\"\"\"\n",
+    "    try:\n",
+    "        total_ordered = len(customer_orders)\n",
+    "        total_products = len(products)\n",
+    "        unique_ordered = len(set(customer_orders) - set(products))  # Orders not in inventory\n",
+    "        if total_products > 0:\n",
+    "            percentage_unique_ordered = (unique_ordered / total_products * 100)\n",
+    "        else:\n",
+    "            raise ZeroDivisionError(\"La lista de productos está vacía. No se puede calcular el porcentaje.\")\n",
+    "    except ZeroDivisionError as e:\n",
+    "        print(f\"Error: {e}\")\n",
+    "        return 0, 0\n",
+    "    finally:\n",
+    "        return total_ordered, percentage_unique_ordered\n",
+    "\n",
+    "total_ordered, percentage_unique_ordered = calculate_order_statistics(customer_orders, products)\n",
+    "print(\"Total de productos únicos ordenados:\", total_ordered)\n",
+    "print(\"Porcentaje de productos únicos pedidos:\", percentage_unique_ordered)\n",
+    "\n",
+    "def print_order_statistics(total_ordered, percentage_unique_ordered):\n",
+    "    \"\"\"Print statistics about customer orders.\"\"\"\n",
+    "    try:\n",
+    "        print(f\"Total de productos únicos ordenados: {total_ordered}\")\n",
+    "        print(f\"Porcentaje de productos únicos ordenados: {percentage_unique_ordered:.2f}%\")\n",
+    "    except Exception as e:\n",
+    "        print(f\"Error al imprimir estadísticas: {e}\")\n",
+    "\n",
+    "print_order_statistics(total_ordered, percentage_unique_ordered)\n",
+    "\n",
+    "def print_updated_inventory(inventory):\n",
+    "    \"\"\"Print the updated inventory.\"\"\"\n",
+    "    try:\n",
+    "        print(f\"Inventario actualizado: {inventory}\")\n",
+    "    except Exception as e:\n",
+    "        print(f\"Error al imprimir el inventario actualizado: {e}\")\n",
+    "\n",
+    "print_updated_inventory(updated_inventory)\n",
+    "\n",
+    "def main():\n",
+    "    \"\"\"Main function to execute the inventory program.\"\"\"\n",
+    "    try:\n",
+    "        inventory = {}\n",
+    "        products = [\"sandals\", \"shoes\", \"glasses\", \"chandal\", \"sneakers\"]\n",
+    "\n",
+    "        inventory = initialize_inventory(products, inventory)\n",
+    "\n",
+    "        customer_orders = get_customer_orders()\n",
+    "\n",
+    "        updated_inventory = update_inventory(customer_orders, inventory)\n",
+    "        print_updated_inventory(updated_inventory)\n",
+    "\n",
+    "        total_ordered, percentage_unique_ordered = calculate_order_statistics(customer_orders, products)\n",
+    "        print(\"Total de productos únicos pedidos:\", total_ordered)\n",
+    "        print(\"Porcentaje de productos únicos pedidos que no están en la lista de productos disponibles:\", percentage_unique_ordered)\n",
+    "\n",
+    "    except Exception as e:\n",
+    "        print(f\"Se produjo un error inesperado: {e}\")\n",
+    "\n",
+    "if __name__ == \"__main__\":\n",
+    "    main()\n"
    ]
   }
  ],