diff --git a/lab-python-list-comprehension.ipynb b/lab-python-list-comprehension.ipynb
index 5a3c3e1..fda6f90 100644
--- a/lab-python-list-comprehension.ipynb
+++ b/lab-python-list-comprehension.ipynb
@@ -75,11 +75,94 @@
     "\n",
     "```\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "6d5b9bfc",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Order Statistics:\n",
+      "Total of products ordered: 2\n",
+      "Percentage of products ordered: 40.0%\n",
+      "Updated Inventory:  {'t-shirt': 5, 'mug': 4, 'hat': 2, 'book': 2}\n",
+      "The total price of your order is: $15.0\n"
+     ]
+    }
+   ],
+   "source": [
+    "# We take our previous code and review it with comprehension sets\n",
+    "\n",
+    "# We create a function that initializes the inventory with user input\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {product: int(input(f\"Enter the available stock for {product}: \")) for product in products}\n",
+    "    return inventory\n",
+    "\n",
+    "# We create a function that asks the user for their order\n",
+    "def get_customer_orders():\n",
+    "    orders = int(input(\"Please enter the number of different products you want to order: \")) # We ask how many different products the user wants to order because we will iterate that many times\n",
+    "    customer_orders = {input(f\"Enter the product number {i+1} you want to order: \") for i in range(orders)}\n",
+    "    return customer_orders\n",
+    "\n",
+    "# We create a function that updates the inventory based on the user order\n",
+    "def update_inventory(inventory, customer_orders):\n",
+    "    # Decrement the quantity for each ordered product\n",
+    "    inventory = {product: quantity - 1 if product in customer_orders else quantity for product, quantity in inventory.items()}\n",
+    "    # Remove products with zero quantity\n",
+    "    inventory = {product: quantity for product, quantity in inventory.items() if quantity > 0}\n",
+    "    return inventory\n",
+    "\n",
+    "# We add a function that calculates the total price of the user order\n",
+    "def calculate_total_price(customer_orders):\n",
+    "    prices = {product: float(input(f\"Enter the price of {product}: \")) for product in customer_orders}\n",
+    "    total_price = sum(prices[product] for product in customer_orders if product in prices)\n",
+    "    return total_price\n",
+    "\n",
+    "# We add a function that prints the total price of the user order\n",
+    "def print_total_price(total_price):\n",
+    "    print(f\"The total price of your order is: ${total_price:.1f}\")\n",
+    "\n",
+    "# We create a function that calculates the user order's statistics\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_products_ordered = len(customer_orders)\n",
+    "    percentage_of_products_ordered = total_products_ordered / len(products) * 100\n",
+    "    order_statistics = {\n",
+    "        \"Total of products ordered\": total_products_ordered,\n",
+    "        \"Percentage of products ordered\": percentage_of_products_ordered\n",
+    "    }\n",
+    "    return order_statistics\n",
+    "\n",
+    "# We create a function that prints the order statistics\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    print(\"Order Statistics:\")\n",
+    "    print(f\"Total of products ordered: {order_statistics['Total of products ordered']}\")\n",
+    "    print(f\"Percentage of products ordered: {order_statistics['Percentage of products ordered']:.1f}%\")\n",
+    "\n",
+    "# We create a function that prints the updated inventory\n",
+    "def print_updated_inventory(inventory): \n",
+    "    print(\"Updated Inventory: \", inventory)\n",
+    "\n",
+    "# Finally we call the functions in the right order to run the program\n",
+    "\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_orders()\n",
+    "inventory = update_inventory(inventory, customer_orders)\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(order_statistics)\n",
+    "print_updated_inventory(inventory)\n",
+    "total_price = calculate_total_price(customer_orders)\n",
+    "print_total_price(total_price)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -93,7 +176,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.9.6"
   }
  },
  "nbformat": 4,