diff --git a/lab-python-error-handling.ipynb b/lab-python-error-handling.ipynb
index 3e50ef8..64d2a85 100644
--- a/lab-python-error-handling.ipynb
+++ b/lab-python-error-handling.ipynb
@@ -41,18 +41,187 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "id": "cc2c441d-9dcf-4817-b097-cf6cbe440846",
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code goes here"
+    "#1.\n",
+    "def inventario_inicial(productos):\n",
+    "    inventario = {}\n",
+    "    for producto in productos:\n",
+    "        cantidades_producto = int (input(f\"Ingrese la cantidad inicial de {producto}: \"))\n",
+    "        inventario [producto] = cantidades_producto\n",
+    "    return inventario"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "94d692aa",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def inventario_inicial(productos):\n",
+    "    inventario = {}\n",
+    "\n",
+    "    for producto in productos:\n",
+    "        while True:\n",
+    "            try:\n",
+    "                quantity = int(input(f\"Ingrese la cantidad inicial de {producto}: \"))\n",
+    "\n",
+    "                if quantity < 0:\n",
+    "                    raise ValueError(\"La cantidad no puede ser negativa.\")\n",
+    "\n",
+    "            except ValueError as e:\n",
+    "                print(f\"Error: {e}\")\n",
+    "                print(\"Ingrese un número válido.\")\n",
+    "            else:\n",
+    "                inventario[producto] = quantity\n",
+    "                break\n",
+    "            finally:\n",
+    "                print(\"Intentando cargar producto...\")\n",
+    "\n",
+    "    return inventario\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "0e27fb0b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def obtener_orden_cliente ():\n",
+    "    orden_cliente = set ()\n",
+    "    while True:\n",
+    "        producto = input(\"Ingrese el nombre del producto que desea comprar (o 'fin' para terminar): \")\n",
+    "        if producto.lower() == 'fin':\n",
+    "            break\n",
+    "        orden_cliente.add(producto)\n",
+    "    return orden_cliente"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "e5a65fc5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def obtener_orden_cliente():\n",
+    "    orden_cliente = set()\n",
+    "\n",
+    "    while True:\n",
+    "        try:\n",
+    "            producto = input(\"Ingrese el producto (o 'fin' para terminar): \").strip()\n",
+    "\n",
+    "            if producto == \"\":\n",
+    "                raise ValueError(\"No puede estar vacío.\")\n",
+    "\n",
+    "            if producto.lower() == \"fin\":\n",
+    "                break\n",
+    "\n",
+    "            orden_cliente.add(producto)\n",
+    "\n",
+    "        except ValueError as e:\n",
+    "            print(f\"Error: {e}\")\n",
+    "        else:\n",
+    "            print(f\"{producto} agregado correctamente.\")\n",
+    "\n",
+    "    return orden_cliente\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "a0b388fd",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def inventario_actualizado (orden_cliente, inventario):\n",
+    "    for producto in orden_cliente:\n",
+    "        if producto in inventario:\n",
+    "            inventario [producto] -= 1\n",
+    "    return inventario"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "dc348386",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def inventario_actualizado(customer_orders, inventory):\n",
+    "    try:\n",
+    "        for producto in orden_cliente:\n",
+    "            if producto not in inventario:\n",
+    "                raise KeyError(f\"{producto} no existe en el inventario.\")\n",
+    "\n",
+    "            inventoario[producto] -= 1\n",
+    "\n",
+    "            if inventario[producto] < 0:\n",
+    "                raise ValueError(f\"No hay stock suficiente para {producto}\")\n",
+    "\n",
+    "    except KeyError as e:\n",
+    "        print(f\"Error: {e}\")\n",
+    "    except ValueError as e:\n",
+    "        print(f\"Error: {e}\")\n",
+    "    else:\n",
+    "        print(\"Inventario actualizado correctamente.\")\n",
+    "    finally:\n",
+    "        print(\"Proceso de actualización finalizado.\")\n",
+    "\n",
+    "    return inventario\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "id": "e151d665",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def calculo_estadísticas_orden (orden_cliente, productos):\n",
+    "    total_productos = len(orden_cliente)\n",
+    "    productos_unicos = len(set(orden_cliente))\n",
+    "    porcentaje_productos = (productos_unicos / len(productos)) * 100\n",
+    "    return total_productos, productos_unicos, porcentaje_productos"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "3a8b62b1",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def calculate_order_statistics(orden_cliente, productos):\n",
+    "    try:\n",
+    "        total_productos = len(orden_cliente)\n",
+    "        productos_unicos = len(set(orden_cliente))\n",
+    "\n",
+    "        if len(products) == 0:\n",
+    "            raise ZeroDivisionError(\"No hay productos en inventario.\")\n",
+    "\n",
+    "        percentage = (productos_unicos / len(productos)) * 100\n",
+    "\n",
+    "    except ZeroDivisionError as e:\n",
+    "        print(f\"Error: {e}\")\n",
+    "        percentage = 0\n",
+    "    else:\n",
+    "        print(\"Estadísticas calculadas correctamente.\")\n",
+    "    finally:\n",
+    "        print(\"Proceso de estadísticas finalizado.\")\n",
+    "\n",
+    "    return total_productos, productos_unicos, percentage\n"
    ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -66,7 +235,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.9"
   }
  },
  "nbformat": 4,