diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..82350a5 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,169 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 35,
+   "id": "2e530946",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 36,
+   "id": "3bef3da7",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "\n",
+    "    for product in products:\n",
+    "\n",
+    "        quantity = int(input(\"Enter the quantity of \" + product + \": \"))\n",
+    "        inventory[product] = quantity\n",
+    "    return inventory"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "id": "1f7e4771",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    sigue_añadiendo = \"si\"\n",
+    "\n",
+    "    while sigue_añadiendo == \"si\":\n",
+    "        producto = input(\"Dime un producto que quieras pedir: \")\n",
+    "    \n",
+    "        if producto in products:\n",
+    "             customer_orders.add(producto)\n",
+    "        else:\n",
+    "             print(\"Este producto no está disponible\")\n",
+    "        sigue_añadiendo = input(\"¿Quieres añadir otro producto? (Si/No): \").lower()\n",
+    "\n",
+    "    return customer_orders"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "id": "6e56f88d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "customer_orders = get_customer_orders()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 39,
+   "id": "5b1ae574",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in customer_orders:\n",
+    "        inventory[product] = inventory[product] - 1 \n",
+    "    return inventory"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 40,
+   "id": "3f3bc2f9",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "\n",
+    "    total_products_ordered = len(customer_orders)\n",
+    "\n",
+    "    percentage_ordered = (total_products_ordered / len(products)) * 100\n",
+    "\n",
+    "    order_statistics = (total_products_ordered, percentage_ordered)\n",
+    "\n",
+    "    return order_statistics"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 41,
+   "id": "df2590e4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def print_order_statistics(order_statistics):\n",
+    "\n",
+    "    print(\"Order Statistics:\")\n",
+    "    print(\"Total Products Ordered:\", order_statistics[0])\n",
+    "    print(\"Percentage of Products Ordered:\", order_statistics[1], \"%\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 42,
+   "id": "208cb93c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def print_updated_inventory(inventory):\n",
+    "\n",
+    "    print(\"Updated Inventory:\")\n",
+    "\n",
+    "    for product in inventory:\n",
+    "        print(product, \":\", inventory[product])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 43,
+   "id": "03ca8ea6",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Este producto no está disponible\n",
+      "Este producto no está disponible\n",
+      "Order Statistics:\n",
+      "Total Products Ordered: 3\n",
+      "Percentage of Products Ordered: 60.0 %\n",
+      "Updated Inventory:\n",
+      "t-shirt : 15\n",
+      "mug : 10\n",
+      "hat : 19\n",
+      "book : 24\n",
+      "keychain : 29\n"
+     ]
+    }
+   ],
+   "source": [
+    "inventory = initialize_inventory(products)\n",
+    "\n",
+    "customer_orders = get_customer_orders()\n",
+    "\n",
+    "inventory = update_inventory(customer_orders, inventory)\n",
+    "\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "\n",
+    "print_order_statistics(order_statistics)\n",
+    "\n",
+    "print_updated_inventory(inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +219,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.6"
   }
  },
  "nbformat": 4,