diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..fa0375d 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,129 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "64996751",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Ingrese la cantidad disponible para cada producto:\n",
+      "\n",
+      "Order Statistics:\n",
+      "Total Products Ordered: 1\n",
+      "Percentage of Products Ordered: 20.00%\n",
+      "\n",
+      "Updated Inventory:\n",
+      "t-shirt: 5\n",
+      "mug: 5\n",
+      "hat: 4\n",
+      "book: 5\n",
+      "keychain: 5\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Lista de productos\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "    \"\"\"Inicializa el inventario con cantidades ingresadas por el usuario.\"\"\"\n",
+    "    inventory = {}\n",
+    "    print(\"Ingrese la cantidad disponible para cada producto:\")\n",
+    "    for product in products:\n",
+    "        while True:\n",
+    "            try:\n",
+    "                quantity = int(input(f\"{product}: \"))\n",
+    "                if quantity < 0:\n",
+    "                    print(\"La cantidad no puede ser negativa.\")\n",
+    "                    continue\n",
+    "                inventory[product] = quantity\n",
+    "                break\n",
+    "            except ValueError:\n",
+    "                print(\"Por favor ingrese un número entero.\")\n",
+    "    return inventory\n",
+    "\n",
+    "\n",
+    "def get_customer_orders():\n",
+    "    \"\"\"Solicita al usuario los productos que desea ordenar y devuelve un set con ellos.\"\"\"\n",
+    "    customer_orders = set()\n",
+    "    while True:\n",
+    "        product = input(\"Ingrese el producto que desea ordenar: \").strip()\n",
+    "        customer_orders.add(product)\n",
+    "        another = input(\"¿Desea agregar otro producto? (sí/no): \").strip().lower()\n",
+    "        if another != 'sí':\n",
+    "            break\n",
+    "    return customer_orders\n",
+    "\n",
+    "\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    \"\"\"Actualiza el inventario solo para los productos que se ordenaron.\"\"\"\n",
+    "    for product in customer_orders:\n",
+    "        if product in inventory and inventory[product] > 0:\n",
+    "            inventory[product] -= 1\n",
+    "\n",
+    "\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    \"\"\"Calcula estadísticas de la orden.\"\"\"\n",
+    "    total_ordered = len(customer_orders)\n",
+    "    percentage_ordered = (total_ordered / len(products)) * 100\n",
+    "    return total_ordered, percentage_ordered\n",
+    "\n",
+    "\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    \"\"\"Imprime las estadísticas de la orden.\"\"\"\n",
+    "    total_ordered, percentage_ordered = order_statistics\n",
+    "    print(\"\\nOrder Statistics:\")\n",
+    "    print(f\"Total Products Ordered: {total_ordered}\")\n",
+    "    print(f\"Percentage of Products Ordered: {percentage_ordered:.2f}%\")\n",
+    "\n",
+    "\n",
+    "def print_updated_inventory(inventory):\n",
+    "    \"\"\"Imprime el inventario actualizado.\"\"\"\n",
+    "    print(\"\\nUpdated Inventory:\")\n",
+    "    for product, quantity in inventory.items():\n",
+    "        print(f\"{product}: {quantity}\")\n",
+    "\n",
+    "\n",
+    "# ---- Programa principal ----\n",
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_orders()\n",
+    "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)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "ab273c12",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "Ejercicios Finales:\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Añadidos ejercicios finales\n",
+    "print(\"\\nEjercicios Finales:\")"
+   ]
   }
  ],
  "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": "3.12.9"
   }
  },
  "nbformat": 4,